C onceding defeat at the election count at Birmingham’s Utilita Arena on Friday, the outgoing Labour leader of the city council, John Cotton, made a plea. “What I would encourage the next administration in this city to do, whatever form that administration takes, is that it ensures it champions the diversity of this city,” he said.

Labour’s 14-year rule of the local authority had come to a crashing end, with Reform emerging as the largest party with 22 councillors so far, followed by the Greens on 19, albeit both parties a long way off the 51 needed for a majority.

Labour lost more than 1,400 councillors across the local elections in England on Thursday and lost power in Wales for the first time.…