The U.S. Park Police said in a news release the incident happened at 12:25 p.m. on The Ellipse, near 15th Street and Constitution Avenue south of the White House. Officials have not yet publicly identified a possible motive for the self-immolation, which was captured in a series of shocking pics and videos from the scene.
"The individual was extinguished and later transported to a local hospital for treatment," the agency tweeted.
The man, identified as Arnav Gupta from Bethesda, Md., was admitted with "life-threatening injuries" and died later Wednesday night, according to police.
Gupta, 33, had been reported missing earlier in the day by Montgomery County Police.
Montgomery County officials said in a news release that family members reported they had last seen him around 9:20 a.m. on Wednesday and were "concerned for Gupta’s physical and emotional welfare."
The incident on Wednesday prompted a large emergency response as authorities rushed into the park to douse the flames.
WARNING: GRAPHIC IMAGES AND VIDEO
A man who said his daughter witnessed the incident said the person had been running through the park before setting himself ablaze.
Krisjan Berzins also posted a video, which showed Gupta engulfed in flames.
"Unbelievable," he wrote.
A similar incident happened last month when another man set himself ablaze while positioned along the White House’s North Fence Line.
The suspect was “operating an electric wheelchair-type scooter” when officials say he set his outer jacket on fire, the Secret Service said at the time.