A uniformed Secret Service officer was physically assaulted Tuesday afternoon outside the White House, an agency spokesperson said.

Driving the news: The officer was attacked "without provocation" near a guard booth, the spokesperson said. A man has been arrested and an investigation has been opened into the incident.

• The assault took place around 12:30pm in an area frequented by pedestrians and tourists.
• The officer's injuries were not life-threatening, the spokesperson said.

Editor's note: This is a breaking news story. Please check back for updates.