Boris Johnson has volunteered to be blasted by a water cannon. The Mayor of London was challenged over their safety, and replied: "Man or mouse. You’ve challenged me, so I suppose I’m going to have to do it now."
More top news
Relatives of those killed in the Hyde Park attack 35 years ago marched in central London to bring an accused bomber to justice.
A new system will allow authorities to track private drones as research finds the heavier flying gadgets could smash plane windscreens.
The incident led to gridlocked traffic on the A2