Keir Starmer set to face challenge as former minister says she will trigger race if no cabinet minister comes forward UK politics live – latest updates Keir Starmer set to face challenge as former minister says she will trigger race if no cabinet minister comes forward UK politics live – latest updates MPs from Labour’s left are expected to urge Ed Miliband to consider a leadership bid in the coming days, as Keir Starmer faced the prospect of a definite challenge from his MPs next week.