The U.S. designated Monday a Russian ultra-nationalist group Russian Imperial Movement as a terrorist organization.

“This is the first time the United States has ever designated white supremacist terrorists, illustrating how seriously this administration takes the threat,” State Department’s coordinator for counterterrorism, Nathan Sales, said in a statement. “We are taking actions no previous administration has taken to counter this threat.”

The U.S. also named three individuals believed to be the group’s leaders — Stanislav Anatolyevich Vorobyev, Denis Valliullovich Gariev and Nikolay Nikolayevich Trushchalov — as terrorists.

Sales said the group has two training facilities in St. Petersburg and

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