British Labour Party politician Sadiq Khan speaks after winning the contest to be Labour's candidate for the 2016 London mayoral election in London on September 11, 2015. London could get its first Muslim mayor after the main opposition Labour party selected Sadiq Khan, a bus driver's son and former government minister, as its candidate. AFP PHOTO / BEN STANSALL        (Photo credit should read BEN STANSALL/AFP/Getty Images)