An 18-year-old who was stabbed early Saturday morning while trying to intervene in a fight has succumbed to his injuries.

The teenaged Good Samaritan's family has been notified, and police have identified him as Surrey resident Jamie Kehoe.

Kehoe tried to step in after an altercation between two women and a man broke out at around midnight on a bus that was stopped at the intersection of 72nd Ave. and 128th St.

He was stabbed in the upper chest by one of the participants and taken to hospital, where he succumbed to his injuries.

The Integrated Homicide Investigation Team has taken over the investigation.

Investigators believe Kehoe was stabbed by the male brawler, and that the suspect may also have been injured during the altercation.

A trail of blood believed to be the suspect's was found running for blocks on the sidewalk along 128th St.

Police are now trying to secure surveillance footage that may help identify whoever is responsible.

Anyone who was on the bus or in the surrounding area at the time of the stabbing and has not spoken to police is asked to call the IHIT tip line at 1-877-551-IHIT.