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
Pedro Evangelou has been jailed for nine years for locking a teenager in his flat and raping her
More than 14 000 protesters have signed up to the Women's March on London, more are expected to turn out
Twenty firefighters have rescued a woman after a car crashed into a cafe in West Hampstead.