On Thursday, workers at 77 King Soopers stores across the Denver metro area started a strike after months of negotiations.

The two-week labor stoppage has begun in Denver-area stores. Pueblo stores start will join on Friday. See the list of impacted stores and pharmacies.

King Soopers says it's an issue of customer safety. The union says it's an attempt to silence and intimidate picketers.

Pueblo King Soopers employees with the United Food and Commercial Workers Local 7 joined a statewide unfair labor practice strike on Feb. 7.

Some 10,000 grocery store workers across the greater Denver area went on strike Thursday, claiming unfair and illegal negotiating practices by King Soopers while their union has been negotiating a new contract with the store chain.

King Soopers asked a Denver judge Tuesday to grant a temporary restraining order against striking union employees that would limit certain picketing activities.

Members of UFCW Local 7 for Pueblo King Soopers are expected to start striking on Friday. There are two stores in Pueblo.

The union representing striking King Soopers workers has denounced a lawsuit filed by the grocery chain that calls the workers' actions "unsafe." The union said King Soopers was trying to "silence its own workers.

With a strike underway in several Front Range communities, King Soopers has sued the labor union that represents thousands of its employees.

Our associates work hard every day to serve their neighbors and families in Colorado, they deserve a union that puts them first, not one that prioritizes a strategy orchestrated by out-of-state special interests,