File photo of bullet casings.

Detectives today are investigating a shooting after officers recovered bullet casings, yet were unable to locate a victim.

Officers were dispatched at about 3:30 a.m. to the 1800 block of Iroquois Avenue near Cal State Long Beach regarding a shots call. They subsequently determined that a shooting occurred nearby on Atherton Street, the Long Beach Police Department reported.

Officers at that location collected bullet casings and other evidence indicating that a shooting had occurred.

“The suspect fled the scene before police arrived,” police said. “Suspect information and motive for the shooting is under investigation. No injuries were reported, and the investigation is ongoing.”