Members of the public who tackled suspected members of a burkha-clad armed gang as they made their getaway by scooter from a raid on Selfridges department store have been praised by police.
This picture was taken by an onlooker and posted on the social networking site Twitter.
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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.