An 18-year-old who charged the US Capitol with a loaded shotgun while wearing a tactical vest was quickly arrested Tuesday, US Capitol Police said.

U.S. Capitol Police in Washington, D.C., arrested an 18-year-old man Tuesday after he ran from his vehicle toward the west side of the Capitol Building armed with a shotgun.

Capital Police Chief Michael Sullivan said the man, identified as Carter Camacho of Smyrna, Georgia, was arrested after he parked a Mercedes SUV near the Capitol, got out and ran "several hundred yard...