10/08/2014 01:55 EDT | Updated 12/08/2014 05:59 EST

Police release images of persons of interest in Etobicoke deaths

Toronto police have released a series of five photographs of "persons of interest" in the slaying of two teenagers in Etobicoke this week.

Don Bosco Catholic Secondary School student Zaid Youssef, 17, and James Cardinal McGuigan Catholic High School student Michael Menjivar, 15, were both high school students at the time they were shot and killed on Monday.

Witnesses reported seeing as many as 40 people surrounding the shootings. Police have released photos of several persons of interest and are seeking the public's assistance in identifying them. 

Police are appealing to anyone who may have witnessed the incident or the persons of interest themselves to contact Det.-Sgt. Peter Trimble at 416-808-7400 extension 77394.

Anyone with information is asked to contact police at 416-808-7400. Tips can also be passed on through Crime Stoppers at 416-222-TIPS (8477), online at, or by texting TOR and the accompanying message to CRIMES (274637).