Portland police are investigating a shooting that occurred early Sunday morning at Southwest 2nd Avenue and Southwest Ash Street.

Officers working near the scene downtown heard gunfire at around 2:22 a.m. They learned that at least one man had been shot and suffered non-life-threatening injuries.

The man arranged his own transportation to an area hospital and is expected to recover, authorities said.

Police said the incident may be gang-related and are continuing to investigate. Responding officers identified a large number of potential witnesses for interviewing, but do not yet have any suspect descriptions.

Anyone with information about gang or illegal gun crimes in Portland is encouraged to call the Portland Police Bureau's Tactical Operations Division at 503-823-4106 or email GunTaskForce@portlandoregon.gov.

--Andrea Castillo