King Soopers union members established picket lines at 77 grocery stores throughout the Denver metro area Thursday to protest unfair labor practices. State of play: The labor dispute is expected to last two weeks and affect about 10,

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

Some of the key sticking points are staffing shortages, health care reserves, price gouging, and eliminating seniority-based scheduling protections.