Efforts to recover his body continue into the night (Image: Google)

The missing 14-year-old boy is believed to have drowned after being stranded in the River Thames in west London.

As Britain reached record temperatures, children were seen wading in the water on Tagaytay Island in Hampton, Richmond.

Rescue missions began after she went missing around 4:45 p.m., but did not find her.

Metropolitan Police Department officials say it is now speculating that he has died.

Excavation work on his body continues until Monday night.

Southwest Command Superintendent Richard Smith said: “His death is a tragedy and I cannot imagine what his family is going through. All our thoughts are with them.”

After the family of 13-year-old Robert Hattersley died on Sunday when they were in trouble on the River Tyne in Northumberland, they said they were “totally devastated”.

Paramedics also confirmed the deaths of a 16-year-old boy at Salford Pier in Manchester, a 16-year-old boy at Lake Bray in Maidenhead, Berkshire, and a 50-year-old man at a reservoir near Leeds.

Paramedics have issued a warning about the dangers of swimming in the heat.

“Today, when temperatures are at record highs, it can be appealing to plunge into rivers, reservoirs, lakes or other open bodies of water to cool off,” said Richard Smith.

“Don’t. The danger is real and we saw in Richmond tonight the disastrous consequences of what would happen if it didn’t work.”

“I especially encourage young people to be the ones in their group of friends who say no and warn others of the danger.

“Your intervention can save lives and save another family from such a terrible loss.”

Charlie Pagsley, Deputy Director of the Fire Department, added: Please do not go into the open sea in this heat. It is much colder than expected, so it is very dangerous.

Water below 15°C is defined as cold water, with the average seawater temperature of just 12°C in the UK and Ireland. Rivers like the Thames are cold even in summer. “

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