Some union employees at King Soopers have voted almost unanimously to authorize a strike. The grocery chain in Colorado is owned by parent company Kroger.

The union rejected what the grocery giant called its “last, best and final offer” pointing to staffing shortages and healthcare reserves.

The union workers of Kroger-owned King Soopers grocery stores in the metro Denver, Boulder, Parker and Broomfield bargaining units voted to authorize an unfair labor practice strike, the union announced Thursday night.

Grocery workers in the metro Denver area wrapped up voting Thursday night and voted to strike against King Soopers after negotiations came to a standstill between union leaders and the

Members of the union representing King Soopers workers have voted to authorize an Unfair Labor Practice strike. United Food and Commercial Workers Local 7 said in a release Thursday that vote meetings were held on Wednesday and Thursday for workers in the Metro Denver,