The commuter bus caught fire at a bus stop at the top of Pepys Road at around 8.30am. Fire fighters tried to bring the fire under control whilst a tyre exploded across the street setting another car on fire. The blaze has now been put out and no-one is believed to be hurt.
More top news
Corbyn was unveiling a poster less than a mile away as Khan gave his final campaign speech to party supporters in London.
Hay fever is an allergic reaction to airbourne pollen. There are 2 million sufferers in London (that's one in 5 people).
The man suffered head injuries after falling from Westminster Bridge and landing on concrete steps.