About 45,000 grocery workers have authorized a strike at Ralphs, Albertsons, Vons and Pavilions stores in Southern California to protest unfair labor practices.

The union representing more than 45,000 grocery store workers from Santa Barbara to San Diego voted Wednesday to authorize a strike against supermarket chains Albertsons and Kroger. No date has been set for a strike.

Union members of the United Food and Commercial Workers (UFCW) in Southern California and the Pacific Northwest have voted this week to authorize a worker strike against Kroger and Albertsons stores, Supermarket News reported.