The Prime Minister David Cameron has promised to speak to the President of the United Arab Emirates, who's here on a state visit, about three Londoners who have been jailed in Dubai on drugs offences. There are allegations that the three men were tortured.
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The high of 35C was recorded on a Bakerloo line train between Piccadilly Circus and Oxford Circus at 2pm.
Weather forecasters say temperatures could reach 35C, beating the previous record of 34.6C in the scorching summer of 1976.
After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.