Boris Johnson's first 100 days

May 2 2008: Ken Livingstone tries to shake hands with his successor as mayor of London, Boris Johnson, at City Hall, after Johnson's election victory Photograph: Carl De Souza/AFP

May 3 2008: David Cameron, the Conservative leader, congratulates Johnson on becoming mayor at Tory HQ in central London Photograph: Stefan Rousseau/PA

May 3 2008: Johnson signs the "declaration of acceptance of office for the mayor of London" at City Hall Photograph: Luke MacGregor/Reuters

May 5 2008: Johnson in his office at City Hall Photograph: Stefan Rousseau/PA

May 7 2008: Johnson is photographed aboard a tube train Photograph: Christian Sinibaldi/freelancer

May 13 2008: Johnson plants a pear tree in Brixton, south London, as part of his Make London Greener campaign Photograph: Andy Rain/EPA

May 15 2008: The home secretary, Jacqui Smith, with Johnson, as Metropolitan police officers set up a stop and search operation at Elephant and Castle train station in south London Photograph: John Stillwell/PA

May 31 2008: Londoners dressed as Johnson enjoy one last night of drinking on the tube before the ban on consumption of alcohol on public transport came into effect on June 1. Thousands of revellers joined in the Circle line party, organised on Facebook, against the mayor's new ban, an attempt to clear up unruly behaviour Photograph: Teri Pengilley/freelancer

June 18 2008: Johnson plays tennis with Serbian ace Novak Djokavic at a publicity event Photograph: Martin Godwin/freelancer

June 18 2008: Johnson and Djokavic playing tennis Photograph: Martin Godwin/freelancer

June 23 2008: Johnson reveals the artists chosen for the fourth plinth in Trafalgar Square, Antony Gormley (left) and Yinka Shonibare Photograph: Linda Nylind/freelancer

July 3 2008: Johnson holds a news conference with Ray Lewis, his deputy mayor for young people. Lewis was eventually forced to stand down following allegations of financial and personal misconduct Photograph: Stefan Rousseau/PA

July 5 2008: Johnson puts on a pink stetson hat at the Gay Pride parade in London Photograph: Peter Macdiarmid/Getty

July 7 2008: The third anniversary of the July 7 2005 terrorist attacks. From left: Network Rail chief executive Iain Coucher, London Underground managing director Tim O'Toole, Johnson, Olympics minister Tessa Jowell Photograph: Stefan Rousseau/PA

July 29 2008: Johnson shares a joke with a police officer while visiting young people at Brixton Youth Centre. The mayor announced £700,000 funding for anti-crime youth projects in the capital, to help young people avoid becoming involved in gun and knife crime Photograph: Cate Gillon/Getty

August 1 2008: Johnson meets British Transport police at Finsbury Park Underground station to announce BTP neighbourhood policing teams. The teams are intended to provide a highly visible presence at tube stations in London Photograph: Stefan Rousseau/PA