The union representing 7,000 Safeway/Albertsons employees in Colorado said Monday that its workers could go on strike as soon as Sunday after months of negotiations over a new collective bargaining agreement have gone nowhere.

The United Food and Commercial Workers Local 7 said union members working for Safeway and Albertsons grocery stores in Colorado have voted to strike after nine months of negotiations failed

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