Calgary police are investigating in the northeast community of Crescent Heights after shots rang out early Monday morning.

Police were called to the 1300 block of 1 Street N.E. for reports of gunshots at about 1:00 a.m. and found a man suffering from serious injuries.

He was transported to hospital by EMS, but it's still unclear how he'd been hurt.

Police say the investigation is ongoing and don't believe the incident was a random attack.

Anyone with information can call police at 403-266-1234, or Crimestoppers anonymously using the following methods:

TALK: 1-800-222-8477
TEXT: ttTIPS to 274637