Cyclists have been taking to social media calling on Boris Johnson to 'make space' following the death of a man in Holborn.
The London Cycling Campaign is to hold its second protest in a week today.
After the death of cyclist at Holborn, TfL spokesperson says we must avoid knee jerk reactions. No risk of that I think #SpaceForCycling
More top news
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.