Those struggling to sleep in the heatwave certainly won't have had any respite on Monday, after temperatures stayed above 20C late into the night.

Chris Bell, forecasting director at Weatherquest, said on Twitter that temperatures remained at 24C at 11pm in certain parts of East Anglia - including Norwich, Cromer and Fakenham.

And his Weatherquest colleague Dan Holley said that Cromer was the joint warmest location in the UK on Monday night, with temperatures not falling below 19.3C.

It comes after the hottest day of the year was recorded on Monday, with Santon Downham in Suffolk reaching 33.3C.

Forecasters have warned the record may be broken again on Friday, in a week which has prompted the Met Office to issue an amber heatwave warning.

On Tuesday, conditions are expected to top 30C in some parts of Norfolk.

Mr Holley said it would continue to get hotter during the week, with 34C predicted on Thursday and a possible 35C on Friday.

He said there was a 'reasonable chance' of showers and/or thunderstorms on Friday.

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