A man drove a vehicle into a barricade near the US Capitol early on Sunday and opened fire in the street before fatally turning the gun on himself as his car burst into flames, authorities said.

Nobody else was injured in the 4 a.m. incident, which started when the unidentified man rammed his car into a barricade at East Capitol Street and Second Street in Washington DC, according to the US Capitol Police.

The car “became engulfed in flames,” when the driver got out, and he subsequently “fired several shots into the air,” police said.

After Capitol Police officers approached the man, he fatally shot himself.

“At this time, it does not appear the man was targeting any Members of Congress, who are on recess, and it does not appear officers fired their weapons,” the release said.

DC’s Metropolitan Police Department is conducting an investigation in the matter, the Capitol Police statement said.

If you are struggling with suicidal thoughts or are experiencing a mental health crisis and live in New York City, you can call 1-888-NYC-WELL for free and confidential crisis counseling. If you live outside the five boroughs, you can dial the 24/7 National Suicide Prevention hotline at 1-800-273-8255 or go to SuicidePreventionLifeline.org.