Union members kicked off a two-week strike of King Soopers stores across metro Denver early Thursday morning to protest what they say were unfair labor practices during contract negotiations. About 10,

King Soopers, a chain owned by Kroger, with 121 stores in Colorado and Wyoming, has been negotiating a new contract with the union since October.

Workers in Pueblo hit the picket line one day after 10,000 workers across 77 stores in multiple Colorado counties took up signs.