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UK heatwave: Rough sleepers at high risk during heatwave, says Sadiq Khan

There is a 50% chance of temperatures reaching 40C somewhere in the UK, with the Met Office issuing its first-ever red warning for extreme heat. The UK Health Security Agency increased its heat health warning from level three to level four - a "national emergency".

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London mayor Sadiq Khan explains what to do if you see a rough sleeper struggling in the hot weather.
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