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
Five teenagers have been injured - two seriously - after an unprovoked acid attack at a train station in Essex.
The Blackwall Tunnel in south-east London has re-opened this morning after a 20 hour closure that caused travel mayhem.
One of the teenagers was left so badly burnt doctors say he may lose his eyesight.