Thousands of passengers are still facing delays on London's overground network after a derailment in north London. A freight train carrying scrap metal came off the tracks at Camden Road station yesterday morning.
Today a crane was brought in to remove the train from the tracks - but services between Gospel Oak and Highbury and Islington will remain closed until next week. Here's Ria Chatterjee.
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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.