Exclusive: Greater Manchester mayor said to have identified seats where MPs would step aside to allow leadership bid‘No other plan comes close’: Labour MPs turn to Burnham as pressure mounts on StarmerAndy Burnham has a credible plan to return to Westminster “within weeks”, his allies have said, with the Greater Manchester mayor expected to use a byelection fight to set out a new agenda for government.Burnham, who was blocked by Labour’s ruling body from running in February’s Gorton and Denton b