The local sheriff confirmed Sunday night that the search for additional perpetrators in the Jacksonville shooting is over and there are no outstanding suspects.A mass shooting broke out at a Madden video game tournament that was being streamed online from a restaurant in Jacksonville, Florida, on Sunday. Four casualties were confirmed by police, as well as 11 injured, six of whom are being treated at a nearby hospital. Five are in stable condition and one serious, hospital staff stated Sunday night.The man suspected of carrying out the shooting died at the scene, police reported Sunday night. He was a white male and police are still attempting to identify him. A previous report claimed he was a gamer from the competition who had lost earlier during the event.