The Financial Post reports in its Friday, Sept. 22, edition that Unifor, the union representing 2,500 striking workers at the General Motors Cami assembly plant, asked GM to return to the negotiating table on Thursday. The Post's Alicja Siekierska writes that GM served at least 255 layoff notices at another plant in Ontario. GM released a fact sheet Thursday afternoon that said it made "related production adjustments" at three facilities because of the labour dispute at its Cami facility in Ingersoll, Ont. GM's propulsion plant in St. Catharines, Ont., Spring Hill manufacturing plant in Tennessee, and engine operations plant in Flint, Mich., have been affected by layoffs. In a statement, GM Canada spokesman Jennifer Wright said the adjustments "are short-term layoffs, but we are working to reduce the impact." The layoffs come as workers at the Ingersoll facility walked off the job in a dispute over job security. Talks between GM and Unifor Local 88 fell apart when the union could not win a commitment that GM would not move production of the Chevrolet Equinox to Mexico. GM initially planned to lay off about 300 workers, but temporary ancillary work will reduce that figure.