The employees union at Starbucks is claiming the espresso chain is shutting down a not too long ago unionized cafe in retaliation for its activist efforts, Bloomberg News reported.

It is the most recent escalation between a quickly rising nationwide labor motion and the espresso large.

Employees United, the union that is backing organizing efforts at Starbucks, reportedly stated in a Friday submitting with the Nationwide Labor Relations Board that Starbucks is violating federal labor regulation by completely closing an Ithaca, New York, retailer. The group alleged it was in retaliation since workers on the location voted to unionize in April, in line with the group’s Twitter account.

Starbucks didn’t instantly reply to CNBC’s request for remark. The corporate advised Bloomberg the closure resulted from services, staffing and “time and attendance” points, moderately than its union exercise.

The union is asking the company to hunt a federal court docket injunction to rapidly forestall or reverse the shop closure, in line with the report.

Round 100 Starbucks cafes have voted to unionize below Employees United, whereas solely 14 areas have voted towards unionizing. Employees United introduced this week it was making a $1 million fund to cowl misplaced pay for baristas who go on strike.

Employees United has filed no less than 175 complaints towards the espresso chain for unfair labor practices, CNBC beforehand reported. Starbucks has denied wrongdoing.

Read the full report from Bloomberg News here.

— CNBC’s Amelia Lucas contributed to this report.