Three people were shot dead late Friday and a fourth injured, police in Canada's biggest city said in a tweet.
A fifth person was stabbed but the victim's life was not in danger, police said.
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Police by Saturday still had not given any information on the victims' identities or a possible motive, only saying that the violence happened in an Airbnb online rental downtown.
A spokesperson has said the dead were young men aged 22, 20 and 19.
On October 31, a gunman opened fire at a house party in Orinda, California that was an Airbnb rental. Four men and a woman were killed.
Video Courtesy: CBC News
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