A man of unknown age was stabbed in the back with an unknown object early Wednesday morning, said police.
The incident occurred at 5 a.m. near the intersection of Golden Gate Avenue and Leavenworth Street in the Tenderloin.
A 25-year-old assailant approached from behind and stabbed the victim who was transported to San Francisco Examiner Staff Writer.
The victim is expected to survive. No arrest has been made.
Read more criminal justice news on the Crime Ink page in print. Follow us on Twitter: @sfcrimeink