WATCH: Armed suspect's vehicle towed from US Capitol after barricade arrest

A tow truck removes a Ford Bronco from the North Barricade of the U.S. Capitol after Capitol Police arrested an armed man Monday. Investigators are working to determine why he drove to the Capitol.

A tow truck removes a Ford Bronco from the North Barricade of the U.S. Capitol after Capitol Police arrested an armed man Monday. Authorities say the suspect had a firearm, which is prohibited on Capitol Grounds, and investigators are working to determine why he drove to the Capitol.