London mayoral race: David Cameron accused of racism after Sadiq Khan allegations

London mayoral race: David Cameron accused of racism after Sadiq Khan allegations; London: EXT Sian Berry (Green candidate for Mayor) interview SOT - I think these attacks from the Conservatives have got to stop, I don't think they'd be doing it for a non muslim candidate and I think it's insulting to Londoners Caroline Pidgeon MP (Liberal Democrat Candidate for Mayor) interview SOT - I go out talking to Londoners all the time, they're not interested in this, they want to know what you're going to do to tackle the housing crisis, what are you going to do to make transport more affordable and how can we get more police on our streets, they're fed up of mud flinging and it needs to stop Poster of Sadiq Khan TILT DOWN Khan chatting to Heidi Alexander Khan listening