On Sunday, at around 18:00 GMT (or 13:00 local time), the incident occurred.
The man was brought to a medical center with harsh, maybe fatal injuries after US Secret Service officers put out the fire, according to the city’s fire department.
US media subsequently cited a US Air Force spokesman as claiming that the individual had been an active-duty airman.
Along with the Secret Service and other appropriate agencies, the Washington Police Department is currently conducting an investigation.
Cops in the nation’s capital issued a statement stating that the incident occurred in “the 3500 block of International Drive, NW, at approximately 1:00 pm” and that they were sent to “help the United States Secret Service after a person set himself on fire right in front of an embassy in the block”.
According to the statement, a “grown-up male” was subsequently brought to the hospital and was still “in critical condition” there.
According to US media, a video purporting to show the man yelling “Free Palestine” while he burnt was shared on social media.
Fears regarding a suspicious car linked to the person prompted the dispatch of a bomb disposal crew to the scene.
Later on, after no dangerous elements were discovered, this was deemed safe.
An embassy spokeswoman informed that no embassy employees were hurt in the incident.
The Israeli foreign ministry claimed in a statement that embassy employees were unaware of the man.
The act of self-immolation right in front of an Israeli diplomatic mission has happened before.
An Israeli consulate in the US state of Georgia was the scene of a demonstrator setting himself on fire in December.
According to the police, the protester utilized gasoline, and they discovered a Palestinian flag at the scene that particular occasion.