Tessa Jowell launches her bid to become Labour's 2016 candidate for Mayor of London in Brixton, south London.

Met commissioner Sir Bernard Hogan-Howe has predicted the force’s deployment of mobile technology will buck the trend of failing public sector IT projects and deliver benefits both to tax payers and officers.

Mayor Boris Johnson speaking at Mansion House about improving London's air quality.

Members of the London Assembly question Mayor Boris Johnson over his office's decision to purchase water cannon without Government approval.

Sir Bernard Hogan-Howe addresses delegates at an international summit on gang crime, hosted at City Hall on June 2nd 2014 by the Mayor's Office for Policing and Crime.

Andrew Adonis discusses the balance of power between the Mayor and London Assembly with Assembly Member Val Shawcross at the Vauxhall Inaugural Lecture.

Mayor Boris Johnson discusses plans to establish a new ethics committee to deal with complaints about the Metropolitan police.

Members of the London Assembly Police and Crime Committee question Met Commissioner Sir Bernard Hogan-Howe and Deputy Commissioner Craig Mackey over Taser deployment.