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,

The start of a two-week-long strike by thousands of Colorado King Soopers workers meant people on the picket lines and shoppers either choosing to cross those lines or avoiding King Soopers in favor of other grocery stores.