The body of a man in his 20s was pulled from Windsor Lake in Virginia Water on Friday after he jumped into the lake to cool off during the hot weather.
Police were called to the lake in Surrey at around 6pm following reports of a man struggling in the water.
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Surrey Fire and Rescue Service's water search team and the National Police Air Service were involved in the search.
According to the Daily Mail, the man jumped into the lake in front of his friends but became entangled in underwater reeds.
A teenage girl jumped into the water with other friends to try to rescue him but they were unable to find him.
Specialist divers found the man's body after midnight, the Evening Standard reports.
His death is being treated as unexplained, although it is not believed to be suspicious.