Shooting at the US Holocaust Memorial Museum

Police and emergency workers gather outside the US Holocaust Memorial Museum after a shooting. Officials said 89-year-old James Von Brunn is suspected of killing a security guard at the museum Photograph: Jim Young/Reuters

Police search a car parked in front of the building Photograph: Charles Dharapak/AP

A helicopter flies over the museum Photograph: Gerald Herbert/AP

Adrian Fenty, Washington DC's mayor and Cathy Lanier, the city's police chief, brief reporters about the shooting Photograph: Mark Wilson/Getty

A normally busy street is empty near the museum Photograph: Andy Duckworth/Guardian

A police officer puts on body armour outside the museum Photograph: Shawn Thew/EPA

A police officer talks on his mobile phone in front of the museum Photograph: Charles Dharapak/AP

A police officer walks into the museum after the shooting Photograph: Jim Young/Reuters