Canada's worst mass killing incidents
2020
A gunman who at one point masqueraded as a police officer killed at least 16 people in the Canadian province of Nova Scotia during a 12-hour rampage, in the country's worst modern-era mass shooting.
2018
A man walked down a busy Toronto street, shooting randomly into restaurants. He killed two people and wounded 13 before turning his gun on himself.
2017
A man opened fire during evening prayers at a mosque, killing six people and wounding five. Twelve others were treated for minor injuries.
2016
A student killed his two brothers at home before opening fire at a remote community high school, killing two more people and wounding seven others.
2014
The son of a long-serving member of Calgary's police force was arrested after five people at a house party were stabbed to death.
2005
A man killed four RCMP officers who went to his home to execute a warrant to repossess property. The man then killed himself.
1999
A former employee of Ottawa’s urban transit service killed four of his colleagues and wounded two others before taking his own life.
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