The United Auto Workers union called a strike against General Motors Sunday, with some 46,000 members set to walk off the job beginning at midnight amid an impasse in contract talks.

Line workers work on the chassis of full-size General Motors pickup trucks at the Flint Assembly plant on June 12, 2019 in Flint, Michigan. (File photo: AFP)

Local union leaders met in Detroit "and opted to strike at midnight on Sunday," the UAW said on its Twitter account.