The United Food and Commercial Workers Local 7 said union members in metro Denver and Boulder, Colorado, have voted overwhelmingly to authorize a strike against King Soopers. The timing and locations of strikes will be announced publicly before any labor action starts,

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.

Pueblo and Colorado Springs workers vote next. UFCW Local 7 represents 12,000 King Soopers and City Market workers in Colorado.