One man was hospitalized after an early morning argument Tuesday escalated to into a street fight in the West Portal neighborhood, police said.
At approximately 1:30 a.m., two men were arguing on the intersection of West Portal Ave. and Ulloa Street, according to police.
The attacker, a 30-year-old man, was having a verbal dispute with the victim, a 36-year-old man, before attacking him with a flurry of punches and slamming his head into the ground, police said.
Police said the suspect then fled on foot.
The victim suffered life-threatening injuries and was transported to the hospital.
No arrests had been reported as of Tuesday morning.