We've recorded the temperature onboard a 38 bus between Grays Inn Road/Holborn and Essex Road, Islington this afternoon. Our Political Correspondent Simon Harris's tweets accompany each image.
On Friday, the Mayor Boris Johnson promised to fix the problem, and Transport for London claimed an 'army of engineers' would work throughout the weekend to get the air conditioning working.
But many commuters have complained that the top deck of the new bus for London is still "unbearable"
More top news
ITV News has obtained the first video from inside the Hatton Garden vault that was raided over the Easter Bank Holiday weekend.
London students are saying they will withhold their final rent until they get compensation over claims of cockroach and rodent infestation
Martin Stew speaks to this year's marathon competitors - including Paula Radcliffe - to discover the secret to surviving the weather.