RALEIGH — Several bullet casings littered Carlton Avenue near a convenience store off Western Boulevard on Thursday afternoon, but police still aren’t sure if anyone was hit in the residential area near N.C. State University’s campus.

Several shots were fired, one striking a mailbox in front of 1006 Carlton Ave., then flying out the other side toward Western Boulevard.

Police were called to the store near the intersection of Gorman Street shortly before 3:30 p.m. Police canvassed the neighborhood, looking for possible victims and anyone with information.

A Ford Explorer parked on Carlton Avenue about 300 yards away from the crime scene was marked off with police tape.

An unknown number of individuals were detained for investigative purposes, according to a Raleigh Police Department release.

The convenience store is at the corner of Western Boulevard and Carlton Avenue.

Police ask anyone with information about the shooting to either call Raleigh Crime Stoppers at 919-834-4357 or go to the Crime Stoppers website at www.raleighcrimestoppers.org for instructions on how to report a tip online or by text message. Crime Stoppers pays cash rewards for anonymous tips that help solve cases.