Washington DC police respond to navy yard shootings – in pictures

Police work the scene on M Street, SE in Washington, where a gunman was reported at the navy yard Photograph: Jacquelyn Martin/AP

A police helicopter lifts what appears to be a shooting victim up as it hovers over a rooftop on the Washington navy yard campus Photograph: Jonathan Ernst /Reuters

People come out from a bulding with their hands up after the shooting Photograph: Alex Wong/Getty

District of Columbia Mayor Vincent Gray updates the media on the shooting Photograph: Mandel Ngan/Getty Images/AFP

Navy yard employees leave a gathering point for reuniting family members that was set up inside nearby Nationals Park Photograph: Win McNamee/Getty

Police sort gear as they respond to the shooting at the campus Photograph: SAUL LOEB/AFP/Getty Images

Police respond to the report of a shooting at the Navy Yard in Washington, DC, September 16, 2013.Getty Images Photograph: Saul Loeb/AFP/Getty Images

Law enforcement officers from several federal and local agencies respond to the scene Photograph: Jason Reed/Reuters

A family member of a navy yard worker who was evacuated during a shooting arrives hoping to find him at a makeshift shelter at the Nationals Park baseball stadium near the naval installation in Washington Photograph: Jonathan Ernst/Reuters