PHOENIX - Police investigated a fatal stabbing near Peoria and 18th avenues Friday night.

Witnesses told officers the suspect had cut the victim with a knife after they argued. The victim was pronounced deceased.

The victim was identified Saturday as 36-year-old Robert Prewitt.

Olin Coho, 38, was arrested and booked Saturday morning in connection with the stabbing, according to a police news release.

Olin Coho, 38, was arrested and booked Saturday morning in connection with a fatal stabbing near Peoria and 18th avenues Friday night, according to a police news release. (Photo: Peoria Police Department)

Police said the investigation is ongoing.