A man has died in hospital after being shot by armed officers responding to reports from colleagues of a knifeman in a police station car park, Derbyshire Constabulary said.
Officers reported seeing the man in the car park of Ascot Drive police station, in Derby, at 9.55am on Friday, the force said.
Armed officers were called and shot the man at 10.03am, it added.
The man was treated by officers until paramedics arrived.
He was taken to hospital by ambulance but declared dead on arrival.
No one else was hurt.
Police are working to identify the man and contact his next of kin.
A cordon has been put in place and shops within it are shut.
Derbyshire Constabulary’s Professional Standard’s Department has informed the Independent Office for Police Conduct.
The force said in a statement: “At 9.55am today (October 7) officers reported seeing a man armed with a knife in the secure car park of Ascot Drive Police Station, off Ascot Drive in Derby.
“Armed officers were sent to the scene, and at 10.03am a police firearm was discharged.
“The man, whose identity is unknown, sustained a gunshot injury and East Midlands Ambulance Service were requested to attend.
“Officers administered first aid until paramedics attended the scene, and he was taken to hospital where he was pronounced dead.”