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Some areas 'to see hottest day' Some areas 'to see hottest day'
(21 minutes later)
Forecasters are predicting the hottest day of the year so far in some parts of the UK, with temperatures up to 33C (91.4F) in south-east England.Forecasters are predicting the hottest day of the year so far in some parts of the UK, with temperatures up to 33C (91.4F) in south-east England.
The Met Office said the highest readings could be west of London, around Heathrow airport.The Met Office said the highest readings could be west of London, around Heathrow airport.
The previous highest temperature this year was on Tuesday, when thermometers measured 32C at Wisley, in Surrey.The previous highest temperature this year was on Tuesday, when thermometers measured 32C at Wisley, in Surrey.
Elsewhere in the UK it will be cooler, with heavy rain predicted in Northern Ireland, Cornwall and Devon.Elsewhere in the UK it will be cooler, with heavy rain predicted in Northern Ireland, Cornwall and Devon.
On Wednesday, the heatwave alert level was increased to Level 3 in south-east England, with special advice being issued for the elderly and other people at risk from the heat. On Wednesday, the heatwave alert level was increased to Level 3 of four in south-east England, with special advice being issued for the elderly and other people at risk from the heat.
Sadly too many people still don't appreciate how dangerous it can be to leave a dog in a hot car Mark Evans, RSPCA Police dogs die in parked vehicle In pictures: England's heatwave
Temperatures are forecast to head back to normal July levels over the weekend.Temperatures are forecast to head back to normal July levels over the weekend.
A spokesman for the Met Office said breezes were set to cool the south-eastern coastal areas and east of London, but anywhere sheltered from the wind was likely to see the highest temperatures.
Meanwhile the RSPCA says it has been "inundated" with calls from members of the public worried about animals trapped in hot cars or gardens with no shade.
It follows the deaths of two police dogs in a vehicle left parked outside the headquarters of Nottinghamshire Police, and reports of four other dogs "boiled alive" in cars in Scotland.
RSPCA chief veterinary adviser Mark Evans said: "Sadly too many people still don't appreciate how dangerous it can be to leave a dog in a hot car, conservatory or caravan.
"Don't let your dog be the one to find out the hard way."


What is the weather like where you are? How will you be coping with the soaring temperatures? Will you be going to the beach or sweating in the office? We want to see how you will be staying cool.What is the weather like where you are? How will you be coping with the soaring temperatures? Will you be going to the beach or sweating in the office? We want to see how you will be staying cool.
Send your pictures to yourpics@bbc.co.uk, text them to 61124 or you have a large file you can upload here.Send your pictures to yourpics@bbc.co.uk, text them to 61124 or you have a large file you can upload here.
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