A street cleaner, who was stabbed while trying to stop a burglar making a getaway, has died from his injuries.
The man - aged 40 - was airlifted to hospital yesterday after the incident in Shepherds Bush. Police have arrested six people.
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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.