UK politics: Unite hits back at Starmer over Birmingham bin strike, questioning Labour's backing for 'working people'- as it happened / Unite union says Labour's workers' bill has 'more holes than Swiss cheese' over zero-hour contracts / Unite to push winter fuel vote at Labour conference / Unite aims to force vote on winter fuel payment at Labour conference / Unite accuses Labour of 'cruelty' over winter fuel payment cuts / Unite calls for 1% wealth tax on super-rich to fund UK public sector pay rises / Labour's largest union donor Unite refuses to endorse party's election manifesto / Unite warns it will hold back funds if Labour weakens plan on workers' rights