By Savyata Mishra, Gursimran Mehar and Renee Hickman(Reuters) - Some members of the Starbucks workers' union that represents more than 10,000 baristas walked off their jobs in multiple U.S. cities on Friday,

Workers at U.S. Starbucks stores have begun a five-day strike to protest a lack of progress in contract negotiations with the company.

Amazon delivery drivers and Starbucks baristas are on strike in a handful of U.S. cities as they seek to exert pressure on the two major companies to recognize them as unionized employees or to meet d