Multiple people are dead after a shooting at a Walmart in Chesapeake, Virginia, late Tuesday, officials said, the latest mass incident involving gun violence in the U.S. The Chesapeake Police Department responded to a reported active shooter situation at 10:15 p.m. ET and confirmed an emergency response at the Walmart. As soon as they arrived, authorities found evidence of a shooting, Chesapeake police spokesman MPO Leo Kosinski said in a news briefing. Over 35 to 40 minutes, officers found multiple dead people and injured people in the store and put rescue and tactical teams together to go inside and provide life-saving measures, he said. Police believe there was one shooter, who is dead, he said. They believe that the shooting had stopped when police arrived, Kosinski said. For more on this developing story, click on the link in our bio. 📸: USA TODAY graphic