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
Commuters could be caught out by the alterations which will see many existing trains leaving stations up to two minutes early.
Dog walkers in Richmond, south west London, will now be limited to walking four dogs at a time.
The pictures, which have not been made public before show the devastation caused after the IRA truck bomb exploded.