Mayor of London Boris Johnson praised PC Andrew Duncan for his experience and dedication to the Metropolitan Police Service, following his death earlier today.
He said: "PC Duncan was an officer of vast experience who'd dedicated his working life to the Metropolitan Police Service.
"His death is a tragedy and a reminder of the courage and sacrifice shown daily by the men and women who keep London safe.
"My thoughts and those of every Londoner are with Andrew's wife and children at this time."
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