Four Marines Killed in Tennessee

Chattanooga, TN (ABC)– Four Marines were killed and three other people were injured today in a shooting in Chattanooga, Tennessee, according to the mayor and military officials. The gunman was also killed, the mayor said. The injured individuals include a police officer who suffered a leg wound and one person who is in critical condition, according to law enforcement officials. The third injured was treated and released. The shooter who died in the incident has been identified as Muhamed Youssef Abdulazeez, several federal officials confirmed to ABC News. Officials are investigating whether he was inspired by ISIS or other terrorist groups. A detailed background investigation, including weapon checks, has begun, sources said. There were two scenes of the shooting — one at a Naval Operation Support Center and an Armed Forces Recruiting Center that houses an Army and Marine recruiting office — though all of the injuries are believed to have occurred at the Naval Operation Support Center, according to federal officials.