Police have made an arrest in the murder of an 18-year old Harlem man.
Investigators say 33-year-old Cheichk Fall fatally stabbed Ashton Niles.
They say Fall was an acquaintance of the victim and they had an argument before the incident.
It happened around 4:30 p.m. Monday on 145th Street near Adam Clayton Powell Boulevard in Harlem.
Niles was taken to Harlem Hospital, where he was pronounced dead.
Fall faces murder and criminal possession of a weapon charges.