Magistrates in Hereford withdraw case against London mayor over untaxed Nissan Micra that is not hisUK politics live – latest updatesA car tax conviction against the mayor of London has been withdrawn after it transpired that he was targeted by a “scam” that led to him being fined for failing to tax a car that was not his.Sadiq Khan was found guilty last month under what has been described as a system of “conveyor-belt justice”, in which magistrates decide on hundreds of cases a day, sometimes s