Nov. 1, 2016: In Abbotsford, B.C., 21-year-old Gabriel Klein is charged with stabbing two female students at Abbotsford Senior. Both were taken to hospital where 13-year-old Letisha Reimer succombed to her injuries.
Jan. 22, 2016: In La Loche, Sask., teacher Adam Wood and teacher’s aide Marie Janvier were fatally shot when a 17-year-old boy opened fire. Seven others were also wounded. The boy, who can’t be named due to publication bans, had killed two teenage brothers at a nearby house earlier. He pleaded guilty to several counts of murder and attempted murder.
June 2, 2015: In Winnipeg, Manitoba, 17-year-old Brett Bourne was fatally stabbed after a confrontation at Kelvin High School. Another 17-year-old was charged with second-degree murder. Police said the dispute may have stemmed from “relationship issues,” possibly involving a girl.
Sept. 23, 2014: At North Albion Collegiate in Toronto, Ont., Hamid Aminzada, 19, was fatally stabbed while trying to break up a fight. A 17-year-old youth was later charged with second-degree murder.
April 5, 2013: In Gatineau, Que., a man entered a school daycare and directed staff to take the 53 children to safety before opening fire. The shooter is identified as Robert Charron. Thirty-eight-year-old Neil Galliou is killed before Charron takes his own life.
May, 23, 2007: In Toronto, 15-year-old Jordan Manners died in hospital from a single gunshot wound to the chest in a high school hallway. Two teens were charged with first-degree-murder and were later acquitted.
Sept. 13, 2006: In Montreal, Que., 18-year-old Anastasia De Sousa was killed and 20 others hurt when 25-year-old gunman Kimveer Gill opened fire in Dawson College with a semi-automatic weapon. He was killed by police.