Illustration by P Paint / Ikon Images More than 5,000 council seats are up for grabs on Thursday. Just four years ago, the Labour Party secured commanding majorities across much of the country, including London, Greater Manchester and West Yorkshire. Those same regional strongholds now look set to form the front line of what could become the most significant setback yet for Keir Starmer’s premiership. Mid-term losses are nothing new for governments struggling with the electorate. Historically, parties in power can expect to lose between a fifth and a third of their seats. Yet forecasts from Britain Elects suggest Labour may be about to lose two-thirds of its councillors. Gorton and Denton offered a striking snapshot of a changing political landscape in urban England. Assumptions that Pakistani and Bangladeshi voters in northern cities would be less receptive to the Green Party than their southern counterparts appear to have been misplaced.…