Reno Police are searching for a man they say pulled off an armed robbery at the Tamarack Casino on Sunday.
Investigators say the man had a hand gun and demanded money. He got away with unknown amount of money.
They say he fled out the back door of the casino and also sprayed a chemical into the air, possibly pepper spray.
Some people in the casino suffered breathing irritation from the spray, but there are no major injuries
Investigators are tracking the suspect using video surveillance around the casino. He is not in custody at this time.