Cathy Lanier
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Police: Navy Yard shooting an 'active investigation'

Washington DC police chief Cathy Lanier has warned people to stay away from the Navy Yard area in Washington after 12 people were killed by a former Navy serviceman.

The gunman has been identified as Aaron Alexis, 34, of Fort Worth, Texas.

He died in a gun battle with police during the rampage at Washington Navy Yard.

Mrs Lanier said a police officer who had been shot in the legs, was recovering from "serious injuries" in hospital.

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