A man’s body was pulled from the Thames near Hampton Court.
Emergency services received a call about a person in the water at 16:12 p.m. Sunday.
The body of the man, believed to be in his 20s, was pulled from the river by police divers around 10.30pm on Sunday.
The Metropolitan Police said his next of kin has been notified.
Superintendent Richard Smith, Acting Commanding Officer of the South West, said: “Our thoughts go out to the young man who lost his life.
“Our officers worked extremely hard with partner agencies but despite the quick response, he still could not be rescued.”
During the recent heatwave, police warned the public about the dangers of large bodies of water, and several people were killed.
“We recently witnessed another tragic incident in which a young boy died after entering the Thames at Tagg Island, Sup. Smith added.
“Once again I must sadly recall the dangers that water poses.
“It looks appealing but the danger and risk of loss of life is immense. Please don’t get into the water anytime soon. The consequences are huge and we don’t want to see any more families having to go into the water. suffered such terrible news.”
After prolonged hot weather, the UK is now suffering from thunderstorms that last for several days – but a change in weather can bring more danger than reliefmeteorologists have warned.