Donald Trump: London mayor Sadiq Khan could be 'exception' to Muslim ban

Republican presidential candidate wants temporary ban on Muslims entering the US, but says he was 'happy' about Khan's landslide win in the UK capital Republican presidential candidate Donald Trump, who has called for a temporary ban on Muslims entering the United States, has suggested he would make an exception for London's newly elected Muslim mayor, the New York Times reported. Related: Sadiq Khan plans US visit before election 'in case Trump wins'