Oneida Nation late Saturday tweeted its West Mason casino, travel center and Packerland casinos will open at 8 a.m. Sunday, while the main casino and Irene Moore Activity Center will remain closed until further notice. All retail stores will open as usual on Sunday.
Robert Hesson was attending a friend's birthday party in a banquet room at the casino when staff rushed in and screamed at them to get out.
Hesson said he couldn't hear gunshots and initially thought it might be a fire, but as they were leaving the building, police cars were speeding into the lot.
Outside, staff told them to get further and further away from the building as police rushed in with tactical weapons and shotguns, Hesson said.