The unions representing more than 20,000 Safeway employees throughout Northern California reached a tentative agreement with the company, averting a strike.

Before an agreement was reached, grocery workers across Northern and Central California prepared to strike starting on Saturday at 12:01 a.m. Union officials Saturday morning announced that the deadline for an agreement had been extended and delayed the proposed strike by 24 hours to Sunday at 12:01 a.m.

Local union representatives from United Food and Commercial Workers announced a tentative agreement Sunday with Albertsons Companies amid a planned strike of nearly 25,000 employees.• Video Above: A Brief History of the Federal Minimum Wage Albertsons Companies is the parent company of Safeway and Vons grocery stores.