Law enforcement are responding to a shooting at Oneida Casino Saturday evening, which is near Green Bay-Austin Straubel International Airport.
"The Oneida National is deeply saddened and heartbroken by the tragic shooting at the Radisson Hotel and Conference Center", the Oneida Nation said in a statement Sunday.
Several hundred people were within the complex at the time, including hotel guests, restaurant patrons, casino guests and people at a wedding in the banquet hall, Delain said.
Multiple law enforcement agencies responded, including the sheriff's office, the Oneida Police Department, the Green Bay Police Department, Ashwaubenon Public Safety, and Wisconsin State Patrol.
The restaurant is located inside a Radisson Hotel connected to the Oneida Casino. "It was targeting a specific victim who was not there, but he chose to still shoot some of the victims' friends or co-workers it appears", said Lt. Kevin Pawlak with the sheriff's office at a press conference.
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Green Bay police and the Brown County Sheriff's Office told The Associated Press they had no details on the casino incident.
He then fatally shot two employees, identified as 32-year-old Ian J. Simpson, and 35-year-old Jacob T. Bartle, with a 9MM handgun.
"I know for sure two, because it happened right next to us, literally right next to us", Yatim said.
'All of a sudden we hear a massive flurry of gunshots - 20 to 30 gunshots for sure, ' Westphal told WBAY-TV. There had to have been 50 cop cars that came by on the highway.
Gov. Tony Evers issued a statement late Saturday saying he was "devastated" to hear about the shooting. It will be updated as more information becomes available.
A spokesman for the Oneida tribe said they are shutting down all five casinos on their reservation.