About 20,000 U.S. National Guard troops are expected to help secure Washington D.C. during President-elect Joe Biden’s inauguration.

Online chatter by President Trump supporters has pointed to calls for more demonstrations and possible violence in D.C.

After last week's riot at the U.S. Capitol authorities are stepping up security, not only with the presences of the military but also fences, barricades, and other law enforcement officials, some of whom will be armed.

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