Polls open in London and across the UK for mayoral and council elections

Candidates from Kent to Cumbria are holding their breath as polls open in massive local elections across the country.

Councils, mayors and police roles across England and Wales are on the ballot. That includes London, where Sadiq Khan is hoping to become the first mayor to be elected to three terms.

He is up against candidates including Conservative Susan Hall, Zoe Garbett of the Greens and Lib Dem Rob Blackie. So far...