Emergency services have responded to a person engulfed in flames close to the White House.
The US Secret Service said in a tweet that a man had set himself on fire, was receiving first aid.
Authorities from the National Park Service and US Park Police were in attendance at the scene on the Ellipse near the Washington Mall, an area popular with tourists
Footage posted on social media shows police rushing to the scene where an individual appears to be on fire.
Shortly after a large cloud discharges from what appears to be a fire extinguisher.
It was the second such incident since April 12, when a man in a wheelchair-type electric scooter lit his jacket on fire outside the White House fence.