Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. US Defense Department in Lockdown After Shooting VOA News 04 March 2010 Photo: AP Tthe Pentagon (file photo) Officials say a shooting at a subway station next to the Pentagon prompted officials to impose a security lockdown at the U.S. military complex outside Washington. Authorities say three people were shot in the incident, including two security officers and the alleged gunman. None of the injuries appear to be life-threatening. Media reports say a suspect is in custody. Witnesses say the suspect approached the subway station and opened fire, but the motive for the shooting is not clear. Some information for this report provided by AP, Reuters and AFP. .