Boris Johnson has announced the London living wage is to increase to £8.55.
The minimum wage which companies must pay their staff by law is £6.19 an hour.
But the living wage – calculated as the amount needed to ensure a basic standard of living - is now £8.55 - up from the previous £8.30. This is a pound more than in the rest of the country.
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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.