A 43-year-old Metropolitan Police Specialist Protection officer found dead in a house in north London died from a gunshot wound to the chest, according to a post-mortem.
His death is not being treated as suspicious at this stage.
An inquest will be opened on Monday.
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This week daytime temperatures reached 19C. Next week we are expecting 13C by day and close to freezing at night.
Mainly dry and bright but a cold easterly wind developing
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