A shooting has been reported outside the White House, according to US Park Police.
Police told ABC News that a Secret Service agent shot an armed man at a security checkpoint near the building.
The White House is on lockdown in response to the shooting. President Barack Obama was golfing in Maryland at the time.
Police said the shooting occurred west of the White House and the victim’s condition is not known.
Vice President Joe Biden was in the complex at the time of the incident, but is “secure,” his representative told ABC News.