"It was a mistake that the leadership of our party should put right." Andy Burnham, the mayor of Greater Manchester, "should never have been blocked" from running as a Labour candidate in a by-election this year, says Angela Rayner. She added that the Labour Party "have to do better" following major losses in last week's local elections. #AngelaRayner #AndyBurnham #KeirStarmer #LabourParty #C4News