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.

King Soopers has filed a temporary restraining order against union workers, accusing picketers of harassing customers amid a strike across over 70 Denver metro area grocery stores.

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