More from our Political Correspondent Simon Harris:
Johnson: The 20/20 vision is there as another bench-marking tool but it's not the only one. @itvlondon
Johnson and Hogan-Howe are asked why rape is not included in the list of seven targeted crimes. @itvlondon
More top news
A report by a London university has found that chief police officers use "predatory" behaviour towards junior staff.
A man from north London has been jailed for 27 years for owning guns and conspiring to supply drugs. Two others were also jailed.
One of the country's most extravagant private homes has been snapped up for just a quarter of the original £100 million asking price