A 52-year-old man suffered lacerations to the head in a stabbing near the entrance of the Powell Street BART Station early Monday morning, police said.
The victim and suspect, both transients, were hanging out by the station entrance in the unit block of Powell Street around 5 a.m. when the two began arguing and the suspect began beating the victim, according to police.
Eventually, the suspect pulled out a switchblade and stabbed the victim in the head numerous times, police said.
The victim staggered away while the suspect, described as a man in his late 30s, fled in an unknown direction.
The victim was taken to an area hospital and is expected to survive.
Read more criminal justice news on the Crime Ink page in print. Follow us on Twitter: @sfcrimeink