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

Workers at Albertsons, Pavilions, Ralphs and Vons grocery stores will begin preparations Thursday for a possible strike. Local 770 of the United Food and Commercial Workers union, representing approximately 45,

Workers at Albertsons, Pavilions, Ralphs and Vons grocery stores will begin preparations Thursday for a possible strike.