Lewisham Borough Council (a local government authority in southeast London now controlled by the Green Party) is set to vote next week on a motion that would end its officials' cooperation with UK Home Office immigration enforcement raids. The move follows the discovery of an email showing a government official asking the council's food standards team to share data and conduct joint operational visits targeting restaurant workers. The vote is part of a broader Green push to establish a "corridor of sanctuary boroughs" across London, in direct defiance of the Labour government's immigration enforcement drive, which has seen raids on businesses rise by 77% since the 2024 general election.