What does the London Mayor do?

A guide to the key responsibilities of the London Mayor, ahead of the election on May 2. The candidates are: AMIN Femy Animal Welfare Party – People, Animals, Environment BINFACE Count Count Binface for Mayor of London BLACKIE Rob Liberal Democrat CAMPBELL Natalie Denise Independent COX Howard ReformUK – London Deserves Better GALLAGHER Amy Social Democratic Party GARBETT Zoë Green Party GHULATI Tarun Independent HALL Susan Mary The Conservative Party Candidate KHAN Sadiq Labour Party MICHLI Andreas Christoffi Independent ROSE Brian Benedict London Real Party – Transform London SCANLON Nick Britain First – No To Immigration