Get all the news you need in your inbox each morning. "We're calling on allies to join us at 3 "anchor" picket lines TODAY. Each day, we'll announce more locations," the union posted on social media.

Unionized Starbucks employees in Seattle plan to hit the picket line Friday in a labor action expected to continue through Christmas Eve.

Baristas in some of Starbucks' biggest markets, including right here in Seattle, are expanding their strikes after members of Starbucks Workers United say the company has not honored negotiations set in place earlier this year.