Workers at stores in metro Denver and other parts of Colorado could hit picket lines as early as Sunday morning.

The bargaining committee for Safeway and Albertsons Company union workers in Colorado decided Wednesday to terminate their current contract extension, allowing a strike as early as Sunday morning.

Unionized Safeway workers in Colorado, including those in the Boulder Valley, could soon go on strike, and labor leaders have hinted that King Soopers workers could also be heading back to the