Met Office says there's a 50% chance of temps getting to 24*C in London today. (Current 2013 record is 23*C on 25th April). @itvlondon
More top news
London was today a city of sirens and half mast flags in the wake of another terror attack.
MPs said they would "carry on" and go to work "as usual" in defiance of the terrorist attack outside the Palace of Westminster.
A huge police operation is under way after a terror attack in Westminster.