The four leading candidates in the race to become Mayor of London have all now published their manifestos. Credit: PA/GLA/Newsquest The leading candidates in the race to be the next Mayor of London have now all published their manifestos outlining their plans for the next three years. With just over two weeks to go until Londoners head to the polls, the candidates representing Labour, the Conservatives, the Liberal Democrats and the Greens have all detailed how they plan to address the key issues affecting London, including crime and housing. Here is what Sadiq Khan, Shaun Bailey, Luisa Porritt and Sian Berry have pledged on the following issues: