So, what's this policing row all about?
Our Political Correspondent Simon Harris gets to the nub of today's row at City Hall.
The simple question in the police headcount row is this: How many extra officers will be on the streets in 2015? @itvlondon
From @simonharrisitv on Twitter:Will it be 1,182 as claimed by Boris Johnson? Or will it be 56 as suspected by Labour? @itvlondon
From @simonharrisitv on Twitter:

