David Cameron 'proud to campaign' alongside Sadiq Khan to stay in EU

Prime minister praises London mayor at pro-remain event as pair unveil Britain Stronger in Europe pledge card David Cameron has said he is proud to campaign with Sadiq Khan to stay in the EU, weeks after claiming Labour’s London mayor was unfit for office because of links to Islamist extremists.The prime minister was accused of participating in a racist campaign against Khan during the mayoral contest, but the two politicians buried the hatchet on Monday as Cameron praised Khan for being a