Police in the Canadian city of Quebec have arrested a man on suspicion of killing two people and injuring five others in a stabbing rampage on Halloween on Saturday. The provincial police had been looking for a man dressed in medieval clothing and armed with a bladed weapon who had left "multiple victims". Police said the suspect was in his mid-20s. They confirmed that two people had died and five others were hurt. There was no word on a possible motive for the attacks. Police said five victims were transported to a hospital, however there was no immediate word on their conditions. "Shortly before 1am, the SPVQ (Quebec city police force) arrested a suspect," the force said on Twitter, asking residents of the city to "stay inside with the doors locked" because an "investigation is still ongoing". A man was arrested early on Sunday.