[Ed. – Fox News reported about 5 minutes ago that the policeman was wounded, saying that was confirmed by multiple sources citing the Capitol Police. Congress and the White House are on lockdown. Just reported: the shooter is in custody. Developing.]
Gunshots were reported in the U.S. Capitol Visitors Center on Monday, U.S. Senate sources said.
Workers in the Capitol were told to “shelter in place.”
A Capitol Police spokeswoman had no immediate comment but said the office would be issuing a statement soon.