22 Marines Injured During Training Exercise at Base in California

Twenty-two U.S. Marines were injured Thursday during a training exercise at the Air Ground Combat Center in Twentynine Palms, California.

The Marines were inside their assault amphibious vehicle (AAV) when a fire extinguisher inadvertently fired, said officials.

The Marines of 2nd Battalion, 3rd Marine Regiment who required medical treatment were taken to local hospitals and were listed in stable condition.