NEW YORK (CBSNewYork) — Police on Friday were searching for a person of interest in a stabbing that left a man dead in Harlem this week.

Officers were called at 7:41 p.m. Thursday for an unconscious man in front of 142nd Street and Frederick Douglass Boulevard, police said.

The officers found Darnell Williams, 30, unresponsive at the scene with a stab wound to the left side of his torso, police said.

Williams was taken to NYC Health + Hospitals/Harlem, where he was pronounced dead, police said.

Police on Friday identified a man they are seeking in connection with the slaying and released four photos of him.

The person of interest was described as a black male about 5 feet 7 to 5 feet 9 inches tall and 45 years old. He was last seen wearing a gray jacket with a fur-trimmed hood, black pants, white sneakers, glasses, and a multicolored winter hat.

Anyone with information was asked to call the NYPD Crime Stoppers at (800) 577-TIPS or (888) 57-PISTA for Spanish, log onto the Crime Stoppers website, or text tips to 274637 (CRIMES) and enter TIP577.

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