Mashmabulio ya bunduki katika kambi ya Navy Yard Washington

Magari ya huduma za dharura na maafisa wa usalama washughulikia shambulio la bunduki kwenye mlango wa kambi ya jeshi la majini, Washington Navy Yard, Sept. 16, 2013.

Polisi wakikabiliana na shambulio la bunduki katika kambi ya Washington Navy Yard, Sept. 16, 2013.

Polisi wa bunge la Marekani wameimarisha ulinzi kwenye uwanja wa mashariki wa bunge, East Plaza  wakati uchunguzi unaendelea kufuatia shambulio la bunduki katika mtaa wa karibu na eneo hilo kunakopatikana kambi ya jeshi la majini la Washington Navy Yard, Sept. 16, 2013.

Polisi kutoka sehemu mbali mbali walofika kusaidia kutokana na shambulio kwenye kambi ya Washington Navy Yard, Sept. 16, 2013, leave the facility.

Afisa mmoja wa idara ya polisi ya DC akitembea karibu na kambi ya  Washington Navy Yard baada ya kujulikana kuna mtu mmoja anafanya mashmabulizi ya bunduki ndani ya kambi ya Washington Navy Yard, Sept. 16, 2013.

Helikopta ya polisi inaonekana kuzunguka jengo ambalo polisi wanatembea juu ya paa la ke wakijaribu kumtafuta mshambuliaji aliyeshambulia kambi ya  Washington Navy Yard, mjini Washington, Sept. 16, 2013.

A police helicopter lifts what appears to be a shooting victim up as it hovers over a rooftop on the Washington Navy Yard, Sept. 16, 2013.

A helicopter pulls what appears to be a shooting victim up as it hovers over a rooftop on the Washington Navy Yard, Sept. 16, 2013.

A helicopter lifts a person off the roof as police respond to the report of a shooting at the Navy Yard in Washington, Sept. 16, 2013.

A police helicopter flies overhead as police walk on the roof of a building as they respond to a shooting at the Washington Navy Yard, Sept. 16, 2013.

Police work the scene near the Washington Navy Yard, Sept. 16, 2013.

A police vehicle is seen as police respond to a shooting at the Washington Navy Yard, Sept. 16, 2013.

Police work the scene after a gunman was reported at the Washington Navy Yard in Washington, Sept. 16, 2013.

Members of the United States Marine Corps maintain a watch on their barracks as police respond to a shooting at the Washington Navy Yard, Sept. 16, 2013.