- Trump envoy says a lot of progress made in Berlin talks
- Negotiations to continue on Monday morning
- Zelenskiy seeks guarantees against future Russian attacks
- German defence minister warns on security guarantees
World
Did toxic algae kill hundreds of elephants in Botswana?
An investigation into the sudden deaths of at least 350 elephants in Botswana in 2020 has revealed the cause was almost certainly a “toxic brew” of open water tainted by a species of cyanobacteria that released cyanotoxins, essentially contaminating the elephants’ watering holes.
According to researchers, approximately 20 watering holes in Botswana’s Okavango Delta had been contaminated across roughly 6,000sq km (2,316 square miles).
So what happened, and how?
What is cyanobacteria and how does it harm elephants?
Although not all cyanobacteria, commonly referred to as blue-green algae, is toxic, some cyanobacteria can produce a type of deadly algal blooms (HABs) in standing water. This is the type which was discovered in the investigation carried out by researchers at King’s College London.
The study showed that the African elephants (Loxodonta africana) died in May and June 2020 after drinking from water holes contaminated with these toxic algal blooms.
“Scientists believe that the production of cyanotoxins is related to certain environmental triggers, for example, sudden rise in water temperature, nutrient loading, salinity,” Davide Lomeo, Earth observation scientist at King’s College London, a collaborator with Plymouth Marine Laboratory and the Natural History Museum in London, and lead researcher in the recent study, told Al Jazeera.
How did the elephant deaths come to light?
In early to mid-2020, a series of routine aerial surveys conducted by helicopter by the conservation organisation, Elephants Without Borders, revealed multiple elephant carcasses scattered across the landscape of the Ngamiland district of northern Botswana.
The aerial survey showed 161 elephant carcasses and 222 sets of bones, while also counting 2,682 live elephants throughout the eastern region of the Okavango Panhandle. In addition, the distance between the dead elephants indicated the deaths had been sudden, rather than gradual.
“The strong clustering of carcasses also suggests that the event was sudden, with limited dispersal of elephants prior to death,” the authors of the study said.
How did researchers identify toxic algae as the cause of death?
Before researchers confirmed it was toxic algae which killed the elephants, they had to rule out several other probable causes.
“Although this area is a known poaching hotspot in Botswana, this was ruled out since elephant carcasses were found with tusks intact,” the authors of the study said.
Other initial theories included virulent and bacterial causes, such as encephalomyocarditis virus or anthrax, but the evidence taken from the field – such as the age of the dead elephants and the absence of any clinical signs of disease, meant the researchers ruled these out as the cause.
The distribution of carcasses and bones suggested a unique “spatial pattern”, which indicated that localised factors may have played a role in the mass die-off. This led to further exploration of specific environmental and ecological conditions in the affected areas.
There were several other factors that served as evidence that the elephant watering holes were to blame. Using satellite photos, researchers measured the distance the elephants walked after they drank from the watering holes – an average of 16.5km (10.2 miles). Many of the elephants died shortly thereafter, roughly 3.6 days (88 hours), after they drank from the nearby contaminated water holes.
The report states that 88 hours aligned with previously reported toxicological timelines for other large mammals which have died from blue algal poisoning.
In addition, Lomeo’s previous body of doctoral work investigating the history of mass-mortality events and water quality in waterbodies in Africa served as evidence to further look into the theory of water hole contamination.
“This event was what led to this idea, since it was a well-covered news at the time, but no one really knew why they died. I then applied my skills in geospatial and computational data science to investigate the event under a well-known set of methods typically applied in epidemiological investigations (eg COVID-19),” explained Lomeo.
What is still unknown about the elephant deaths?
It is impossible to measure the level of toxicity for each waterhole from aerial photos. In addition, it is unclear whether elephants drank from one watering hole or several, according to researchers.
“It is highly likely that they drank from multiple pans before their death. It cannot be established if the fatal intoxication occurred in a single drinking event, but it seems more plausible that if cyanotoxins were present and were the cause of the die-off, this was through toxins bioaccumulation in elephants’ organs,” stated the study.
Although it is clear that the toxic waterholes were the likely source of the elephants’ mass mortality, there remains some uncertainty about the findings due to the timing of the mass die-off.
“The event occurred during the COVID-19 movement restrictions, and timely intervention was not possible. Therefore, tissue samples [which would have confirmed the presence/ absence of cyanotoxins] were not collected. Post-mortem investigations also need to be done within a certain timeframe, beyond which samples would be too degraded. Additionally, cyanotoxins cannot be detected from satellites, so the links can only be but indirect,” Lomeo explained.
As the aerial data was collected considerable time after the deaths in March and May 2020 – researchers could not definitively rule out the involvement of other animals in the elephant deaths.
Furthermore, smaller creatures may have been missed in the aerial survey, potentially limiting scientists’ understanding of the full scope of the incident.
“The area is well-known for very high predation rates, meaning that animal carcasses disappear quickly because of scavengers like hyenas and vultures. Hence, the involvement of other animals cannot be ruled out,” Lomeo said.
The specific conditions that would produce the level of toxicity in a watering hole that would be lethal to surrounding animal species are also still unknown.
“There is still uncertainty. We know that certain cyanobacteria species are more likely to produce cyanotoxins, and we know which toxins each species typically produces,” said Lomeo.
According to the research, cyanotoxins exhibit significant variations in their potency and effects. Certain types are extremely toxic, capable of causing death even in very small concentrations. Others, while less immediately dangerous, may still pose health risks at higher levels without necessarily being lethal. The field of cyanotoxin research remains active, with many aspects yet to be fully understood and explored.
Despite this, the overall findings of the study have been widely accepted. “The cause of the die-off has been officially attributed by the Government of Botswana to environmental intoxication by cyanobacterial toxins, also known as cyanotoxins,” the study’s authors said.
Could this happen again?
Although mass deaths of elephants are rare, researchers cannot be certain it will not happen again and that it will only affect elephants or land animals.
“[In] all arid systems where animals are dependent on stagnant water in lakes/ponds are susceptible to this [mass die-offs], the aquatic life in lakes also can be harmed in this same manner. We have even seen this in rivers and oceans where high nitrification from agricultural run-off combined with warming temperatures leads to disastrous bacterial blooms,” George Wittemyer, a behavioural ecologist at Colorado State University, one of the institutes involved in a study in Kenya that revealed that elephants use individual names, told Al Jazeera.
While it was relatively easy for researchers to identify the elephant carcasses from the air due to their size, the sudden deaths of smaller animals might not be so easy to identify.
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World
Ukraine drops NATO goal as Trump envoy sees progress in peace talks
BERLIN/KYIV, Dec 14 (Reuters) – President Volodymyr Zelenskiy offered to drop Ukraine’s aspirations to join the NATO military alliance as he held five hours of talks with U.S. envoys in Berlin on Sunday to end the war with Russia, with negotiations set to continue on Monday.
Trump’s envoy Steve Witkoff said “a lot of progress was made” as he and Trump’s son-in-law Jared Kushner met Zelenskiy in the latest push to end Europe’s bloodiest conflict since World War Two, though full details were not divulged.
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Zelenskiy’s adviser Dmytro Lytvyn said the president would comment on the talks on Monday once they were completed. Officials, Lytvyn said, were considering the draft documents.
“They went on for more than five hours and ended for today with an agreement to resume tomorrow morning,” Lytvyn told reporters in a WhatsApp chat.
Ahead of the talks, Zelenskiy offered to drop Ukraine’s goal to join NATO in exchange for Western security guarantees.
The move marks a major shift for Ukraine, which has fought to join NATO as a safeguard against Russian attacks and has such an aspiration included in its constitution. It also meets one of Russia’s war aims, although Kyiv has so far held firm against ceding territory to Moscow.
“Representatives held in-depth discussions regarding the 20-point plan for peace, economic agendas, and more. A lot of progress was made, and they will meet again tomorrow morning,” Witkoff said in a post on X.
The talks were hosted by German Chancellor Friedrich Merz, who a source said had made brief remarks before leaving the two sides to negotiate. Other European leaders are also due in Germany for talks on Monday.
“From the very beginning, Ukraine’s desire was to join NATO, these are real security guarantees. Some partners from the U.S. and Europe did not support this direction,” Zelenskiy said in answer to questions from reporters in a WhatsApp chat.
“Thus, today, bilateral security guarantees between Ukraine and the U.S., Article 5-like guarantees for us from the U.S., and security guarantees from European colleagues, as well as other countries — Canada, Japan — are an opportunity to prevent another Russian invasion,” Zelenskiy said.
“And it is already a compromise on our part,” he said, adding the security guarantees should be legally binding.
Russian President Vladimir Putin has repeatedly demanded Ukraine officially renounce its NATO ambitions and withdraw troops from the about 10% of Donbas which Kyiv still controls. Moscow has also said Ukraine must be a neutral country and no NATO troops can be stationed in Ukraine.
Russian sources said earlier this year that Putin wants a “written” pledge by major Western powers not to enlarge the U.S.-led NATO alliance eastwards – shorthand for formally ruling out membership to Ukraine, Georgia, Moldova and other former Soviet republics.
Sending Witkoff, who has led negotiations with Ukraine and Russia on a U.S. peace proposal, appeared to be a signal that Washington saw a chance of progress nearly four years after Russia’s 2022 invasion.
Under pressure from Trump to sign a peace deal that initially backed Moscow’s demands, Zelenskiy accused Russia of dragging out the war through deadly bombings of cities and Ukraine’s power and water supplies.
A ceasefire along the current front lines would be a fair option, he added.
‘CRITICAL MOMENT’
Germany’s Defence Minister Boris Pistorius said it was a “good sign” Trump had sent his envoys while fielding questions in an interview with the ZDF broadcaster on the suitability of Witkoff and Kushner, two businessmen, as negotiators.
“It’s certainly anything but an ideal setup for such negotiations. That much is clear. But as they say, you can only dance with the people on the dance floor,” Pistorius said.
On the issue of Ukraine’s offer to give up its NATO aspirations in exchange for security guarantees, Pistorius said Ukraine had bitter prior experience of relying on security assurances. Kyiv had in 1994 agreed to give up its Soviet-era nuclear arsenal in exchange for territorial guarantees from the U.S., Russia and Britain.
“Therefore, it remains to be seen to what extent this statement Zelenskiy has now made will actually hold true, and what preconditions must be met,” Pistorius said.
“This concerns territorial issues, commitments from Russia and others,” he said, adding mere security guarantees, especially without significant U.S. involvement, “wouldn’t be worth much.”
Britain, France and Germany have been working to refine the U.S. proposals, which in a draft disclosed last month called for Kyiv to cede more territory, abandon its NATO ambitions and accept limits on its armed forces.
European allies have described this as a “critical moment” that could shape Ukraine’s future, and sought to shore up Kyiv’s finances by leveraging frozen Russian central bank assets to fund Kyiv’s military and civilian budget.
Reporting by Friederike Heine, Matthias Williams, Olena Harmash, Andreas Rinke, Ron Popeski, David Ljunggren; writing by Matthias Williams; editing by Alexander Smith and Chris Reese
Our Standards: The Thomson Reuters Trust Principles.
World
US veteran rescues ‘most wanted woman in Western Hemisphere’ from Venezuela in secret operation
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The rescue operation to extract Venezuelan opposition leader María Corina Machado and transport her to Norway in time to accept her Nobel Peace Prize involved a complex series of complications and various components in land, sea and air.
The mission, dubbed Operation Golden Dynamite, was spearheaded by Bryan Stern, a U.S. special forces veteran and founder of the Tampa-based Grey Bull Rescue Foundation, which specializes in high-risk rescue missions and evacuations, notably from conflict and disaster zones.
Getting her out of Venezuela, where she is considered a fugitive by President Nicolás Maduro, involved disguises, deception, navigating choppy seas and arranging flight options.
“She’s perceived by the Maduro regime the way we perceived Osama bin Laden, like that,” Stern told Fox News. “That level of manhunt if you will.”
US COVERT TEAM LEADER DESCRIBES ‘DANGEROUS’ MISSION TO RESCUE VENEZUELAN OPPOSITION LEADER
Venezuelan opposition leader Maria Corina Machado gestures at a protest ahead of the Friday inauguration of President Nicolás Maduro for his third term, in Caracas, Venezuela, January 9, 2025. (Maxwell Briceno/Reuters)
Machado has been hiding out in Venezuela since Maduro won a highly disputed election last year and had not been seen in public in months.
Stern emphasized that the U.S. government was not involved in the operation.
His team had been building up a presence in the Caribbean, Venezuela and the neighboring island of Aruba in preparation for operations in the South American region.
The biggest challenge, Stern said, was getting Machado out of the country despite her being a well-known figure there. In order to move her from her house to a “beach landing site,” his team reportedly did “all kinds of things designed to create a little bit of confusion.”
“Anything that we could have possibly think of that we thought could hide her face … was employed.” Stern said. “Anything we could think of, her digital signature, her physical signature. On top of that, we did some deception operations on the ground. We made some noise in some places designed to get people to think something was happening that wasn’t.”
VENEZUELAN DISSIDENT MACHADO CREDITS TRUMP FOR ADVANCING FREEDOM MOVEMENT, DEDICATES NOBEL TO HIM
Venezuelan leader Nicolás Maduro brandishes a sword said to have belonged to independence hero Simon Bolivar during a civic-military event at the military academy in Caracas, Venezuela, Tuesday, Nov. 25, 2025. (Ariana Cubillos/AP Photo)
The maritime operation started off rough, Stern recounted. Of the two boats deployed for the mission, the vessel that physically extracted Machado reportedly lost its GPS in the turbulent seas and suffered a mechanical hiccup that delayed the operation. The team was forced to continue into the “dead of night” in “pitch-black darkness,” navigating seas so violent that one of Stern’s seasoned operators reportedly vomited for nine hours straight.
Reaching the rendezvous point added another layer of difficulty. Stern’s boat and Machado’s vessel had to find each other in pitch-black seas while maintaining radio silence to avoid detection, ultimately locating one another by flashlight.
Stern said he had to remain cautious, fearing that the approaching boat could have been a trap set by Venezuelan forces. To confirm it was safe to proceed, his larger vessel circled Machado’s boat and shined lights on the crew.
After Stern physically pulled Machado onto his boat, he then alerted the rest of the team that Machado was secured: “Jackpot, jackpot, jackpot.”
“Now we are on the run with Maria Corina Machado, the most wanted woman in the Western Hemisphere, on my boat,” he said.
“I have the most wanted person in the Western hemisphere that I’m trying to move around,” Stern said. “Personally, she’s a hero of mine. She’s a hero of mine. I’ve been tracking her for years.”
VENEZUELAN OPPOSITION LEADER SAYS COUNTRY AT ‘THRESHOLD OF FREEDOM’ AS NEW MANIFESTO ENVISIONS REGIME CHANGE
Nobel Peace Prize laureate Maria Corina Machado waves at the Grand Hotel in Oslo, Norway, early Thursday, Dec. 11, 2025. (Lise Åserud/NTB Scanpix via AP)
Once in international waters, the new concern was avoiding any appearance that they had kidnapped a Venezuelan, which would have given the government any justification to attack.
“They lie. They could have killed us for any reason,” Stern said. “We’re in the middle of the d— ocean and there’s no one around to see the truth … we are scared, we are nervous, we’re on the run and we floor it getting to the rendezvous.”
Stern ordered his boat captain to drive full throttle and not stop for anything, fearing pursuit by the Venezuelan regime.
“My boat guy, I told him I don’t care, I don’t care who comes,” Stern said. “You don’t stop. You do not stop. I don’t care, I don’t care who. You do not stop at all. Let them chase us if they have to. We have got to get to land.”
At some point during the escape, two F-18 fighter jets reportedly flew overhead. Stern described the moment as a potential complication, since they could not determine whether the jets were hostile or friendly, though he noted it was likely not part of a Navy coordination.
“There’s an aircraft carrier in the Caribbean throwing airplanes off every twenty minutes. I don’t know,” Stern said. “I can tell you that nobody in the Navy said, ‘Don’t worry, brother, we sent two F-18s to cover you.’”
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The maritime team successfully delivered Machado to safety. Stern said his team had also prepared for a possible air extraction, but that plan was abandoned after a last-minute change on Machado’s side. Instead, the final flight to Norway was arranged by her personal network using a friend’s private jet, culminating in her safe arrival.
While Grey Bull Rescue has conducted operations in high-threat environments such as Gaza, Ukraine, Sudan and Haiti, Stern said the extraction of Machado was uniquely challenging, describing it as “overwhelmingly” the most complicated mission in the organization’s 800-mission history.
World
South Korea indicts ex-leader Yoon over power plot provoking North
Jailed former president accused of a plot to provoke military aggression from North to help consolidate his rule.
Published On 15 Dec 2025
Prosecutors have indicted former South Korean President Yoon Suk Yeol for insurrection, accusing him of seeking to provoke military aggression from North Korea to help consolidate his power.
Special prosecutor Cho Eun-seok told a briefing on Monday that his team had indicted Yoon, five former cabinet members, and 18 others on insurrection charges, following a six-month probe into his declaration of martial law last year.
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“To create justification for declaring martial law, they tried to lure North Korea into mounting an armed aggression, but failed as North Korea did not respond militarily,” Cho said.
Yoon plunged South Korea into a crisis when he declared martial law in December 2024, prompting protesters and lawmakers to swarm parliament to force a vote against the measure.
The decree was quickly declared unconstitutional by the Supreme Court, and Yoon was subsequently impeached, removed from office, and jailed.
Martial law plotted for more than a year
Cho, one of three independent counsels appointed by South Korea’s current president, Lee Jae Myung, to investigate the martial law declaration, said Yoon and his supporters in the military had plotted since at least October 2023 to introduce the measure.
The plan involved installing collaborators in key military posts and removing a defence minister who opposed the scheme, Cho said.
The group even held dinner parties to build support for the plan among military leaders, he added.
Cho said Yoon, his Defence Minister Kim Yong Hyun, and Yeo In-hyung, commander of the military’s counterintelligence agency at the time, had directed military activities against North Korea since October 2024, seeking to provoke an aggressive response that would justify the declaration of martial law.
Yoon was indicted last month for ordering drone flights carrying propaganda leaflets into the North to inflame tensions – prompting his successor, Lee, to say earlier this month that he was weighing an apology to Pyongyang.
‘Antistate forces’
Cho said the provocations did not draw the expected reaction from North Korea, most likely because Pyongyang was tied up in supporting Russia’s war in Ukraine.
But Yoon pressed ahead regardless, he said, branding his political opponents – including the liberal-controlled legislature and the then-leader of his own conservative People Power Party – as “anti-state forces” in a bid to justify his actions.
Under South Korean law, insurrection is punishable by life in prison or the death penalty.
Yoon, who has been in jail since July following a stint in custody earlier in the year, insists that his martial law declaration was intended to draw public support for his fight against the opposition Democratic Party, which was abusing its control of parliament to cripple the work of the government.
“Yoon declared emergency martial law to monopolise and maintain power by taking control of the legislative and judiciary branches and eliminating his political opponents,” Cho said.
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