CALGARY, Alberta (Reuters) - The son of a long-serving member of Calgary's police force was arrested on Tuesday after five people at a house party were stabbed to death in the worst mass murder in the city's history, Calgary's police chief said.
Three men were found dead at the scene and a man and a woman died in hospital after the attack at an off-campus party to celebrate the end of the university term. Police said the man, a student at the University of Calgary whose name will be released once charges are laid, was an invited guest.