A U.S. Army sergeant is suspected of shooting and wounding five fellow soldiers with his personal handgun on Wednesday at Fort Stewart Army Airfield near Savannah, Georgia, before he was subdued by other soldiers and arrested,

A sergeant shot five soldiers Wednesday at one the country’s largest Army bases before he was quickly tackled by other Fort Stewart troops, forcing a brief lockdown, officials said.

The conditions of the soldiers and the circumstances of the shooting weren’t immediately clear, nor was the identity of the shooter.