Met Office weather forecasters expect record-breaking 33C temperatures over the Bank Holiday weekend as an official heatwave is set to be declared in four parts of the UK

The Met Office expects temperatures to rise to at least 28C in London - the heatwave threshold - for at least five days in a row from Friday until next Tuesday.

The UK Health Security Agency has activated a six-day heat health alert for southern, eastern and central areas of England from Friday until next Wednesday.