Warehouse workers in cities including New York, Atlanta and San Francisco were taking part in what Teamsters officials called the largest-ever strike against Amazon.

Workers at an Amazon warehouse in San Francisco are on strike Thursday, joining six other delivery stations of the e-commerce company across the country. The Teamsters, who are seeking a labor agreement during a key shopping period,

Amazon workers in San Francisco strike for union recognition and better working conditions as part of a nationwide Teamsters-led action before Christmas.