A London police officer has died after being shot in a police station by a man who was being detained.
The Metropolitan Police said the officer died in hospital after being shot by the man at Croydon Custody Centre in south London during the early hours of this morning.
A 23-year-old man detained at the scene was also taken to hospital with a self-inflicted gunshot wound and remains in a critical condition, police said.
The force said no police firearms were discharged during the incident.
Prime Minister Boris Johnson tweeted his condolences on hearing reports of the death.
My deepest condolences go to the family, friends and colleagues of the police officer who was killed in Croydon last night.— Boris Johnson (@BorisJohnson) September 25, 2020
We owe a huge debt to those who risk their own lives to keep us safe.
In a statement, Scotland Yard said: "At approximately 0215 on Friday, September 25 the officer was shot by a man who was being detained at Croydon Custody Centre in Windmill Lane.
"Officers and paramedics treated him at the scene and he was taken to hospital by London Ambulance Service. Very tragically he subsequently died at hospital.
"We are in the process of informing all of the officer's family and are supporting them with specialist officers.
"A 23-year-old man was detained by officers at the scene. He was also taken to hospital with a gunshot wound and remains in a critical condition.
"No police firearms were discharged during the incident."