When will we know who won the London mayoral election?

When will we know who won the London mayoral election? (Picture: PA/Getty)Sadiq Khan is fighting to be re-elected as Mayor of London.Voters took to the polls on Thursday May 2 to cast their ballot for the next mayor of London, with Khan battling 12 other candidates to secure a third term in office.Other challengers for mayorship the Conservative Susan Hall, the Greens’ Zoe Garbett, Lib Dem Rob Blackie, and of course, Count Binface.The results of the contest are expected to be announced in