Dame Cressida Dick, head of London’s Metropolitan Police, has resigned from her job after losing the backing of London Mayor Sadiq Khan. Dick released a shocking statement on Thursday evening, announcing she was stepping down from the job, despite having insisted hours earlier that she had no intention of going. She said in the statement: “It is with huge sadness that following contact with the mayor of London today, it is clear that the mayor no longer has sufficient confidence in my leadership to continue. “He has left me no choice but to step aside as commissioner of the Metropolitan Police Service.” Dick has faced a series of scandals during her time leading Britain’s biggest police force, most recently concerning discriminatory messages exchanged by officers based at Charing Cross police station that were published by a watchdog. There was also fury over the rape and murder of Sarah Everard in …