Chris Mason: Starmer left-wing purge row is not dying down BBC.comGeneral election live: Starmer says Diane Abbott ‘free to go forward’ for Labour BBC.comDiane Abbott dispute overshadows Starmer as Labour infighting mars campaign Financial TimesTony Blair’s reinvented Labour Party pursues a risky ideological ‘purge’ POLITICO EuropeDiane Abbott free to stand for Labour in election, says Starmer The Guardian