Tunnelling on the multi-billion pound Crossrail project has ground to a halt just months after it started. After an accident with a hopper that collapsed, the giant boring machines which are digging the tunnels for the underground railway have had to be switched off. Simon Harris reports.
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.