The crash happened at about 2:30 a.m. when a car ran into a pole at Brazil Avenue and Munich Street, police Lt. Troy Dangerfield said.
A 30-year-old man who was sitting in the backseat was thrown through the windshield and suffered life-threatening injuries, Dangerfield said.
The crash also critically injured a 31-year-old woman in the car, he said. The other three occupants, all men, suffered minor injuries.
All five were taken to a hospital.
Police are investigating whether the driver, a 31-year-old man, was under the influence of alcohol, Dangerfield said.
5:41 AM: Five people were injured in a car crash in San Francisco’s Excelsior neighborhood early this morning, police said.
Ambulances and a fire truck company descended upon the intersection of Brazil Avenue and Munich Street at about 3 a.m. after a sedan crashed into a pole, according to police from Ingleside Station, which is investigating the crash.
All five victims were rushed to San Francisco General Hospital for treatment, and police said investigators were still at the hospital gathering information as of 5:30 a.m.