We're hearing a report that a 34-year-old man was "critically stabbed" on the 700 block of Larkin early Friday morning. According to SF Appeal: "The 34-year-old victim was stabbed once in the chest with a sharp object. He was taken to a hospital to be treated for his injuries, which are considered life-threatening,"

No arrests have been made.

Any further information about the stabbing should be directed to the SFPD's anonymous tip line at 415-575-4444 or via tip by text message to TIP411.