London police have released the identity of the 36-year-old man who was shot and killed on Monday.

The deceased has been identified as Mark Andrew McCullagh, of London.

An autopsy was conducted at London Health Sciences Centre on Tuesday. Police say the preliminary cause of death was determined to be a gunshot wound.

Police continue to investigate the shooting at 504 English St. At this stage of the investigation, officers say any detail, whether or not it appears significant, may be of evidentiary value.

Three men continue to be sought in connection with they shooting, one white and two black. All three reportedly fled in a red, four-door pickup.

Police have released an image of a pickup similar to the one believed to have been involved in the shooting, but say the one involved may have white lettering above the rear wheels.

Anyone with information about this incident is encouraged to contact the London Police Service at 519-661-5670 or CrimeStoppers at 1-800-222-TIPS (8477) to report the information.