An unidentified 33-year-old man sits in the clink this morning after allegedly stabbing another gent at an apartment near Post and Larkin in the city's Historic Tenderloin District

"Police were called to an apartment complex at 1030 Post St. near Larkin Street at 3:08 a.m. after the victim's brother called 911 reporting that he had awakened to find blood in the apartment," reports BNC (via SF Appeal). "The brother and his girlfriend had immediately fled the apartment upon discovering the blood...Responding officers located a 35-year-old man suffering from stab wounds to his upper body."

The two men reportedly knew each other, and the incident was not gang-related.