A man in medieval clothes killed 2 people with a katana in Canada

A man named Carl Girouard dressed in medieval attire and stabbed 2 people to death and wounded at least 5 others with a katana on Halloween night in Quebec City, Quebec. More from the BBC:

At a news conference on Sunday, Quebec City Police Chief Robert Pigeon said it was believed that the attack was premeditated, adding that the suspect, from the Montreal suburbs, came to Quebec City with "the intention of doing the most damage possible".