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Further heatwave-related fatalities have been recorded across the UK as temperatures soared for the 15<sup>th day successive day on Saturday.

One man died while swimming and a second was rescued in Strule, Newtownstewart, Co Tyrone on Friday, prompting police to issue a warning about the dangers of swimming when drunk.

"This can be a hazardous activity, especially where alcohol has been consumed," said a police spokeswoman.

Also Friday, a 69-year-old died swimming in Skegness, Lincolnshire, while three swimmers were airlifted to hospital in Barmouth, Gynedd, in Wales after getting themselves into difficulties.

In Oxford, horrified sunbathers looked on when a teenage girl died in Hinkley Park on Saturday after reportedly taking a tablet she believed was MDMA.

Last week, researchers at the London School of Hygiene and Tropical Medicine estimated that between 540 and 760 deaths could be attributed to the heatwave, as temperatures soared to 32.2C in Hampton, southwest London, on Wednesday.

With temperatures predicted to peak at the beginning of the week, by Monday the country will have had its longest spell of good weather for 18 years and its first sustained heatwave since 2006.

However, with humidity rising, the Met Office has predicted rain from Tuesday to Wednesday, with floods even expected in some areas.

London