Meanwhile the final public meetings in the consultation process for the Mayor's policing plan take place tonight in Barking and Havering.
Have your say on London's Police and Crime Plan:
Boris wants to gather the views of people who live, travel and work in London, particularly those who have been affected by crime.
Your views will inform the final version and future revisions of the Police and Crime Plan.
Have your say by filling in the online form before 6 March.
More top news
A teenage boy has been stabbed to death in London, the second fatal attack within two days.
A British amateur sailor died this morning after being hit by a sail while taking part in the Clipper Round The World Yacht Race.
A university has taken down a link on the language section of its website after discovering it was for a Japanese hardcore pornography site.