A 23-year-old man stabbed six passersby in southern Austria on Saturday in what police said was a random attack that left a 14-year-old dead and five others injured. The suspect was detained in the city of Villach, where the attack took place, police said. He is a Syrian national with legal residence in Austria, they said olice spokesperson Rainer Dionisio said a motive was not immediately known. He added that police were investigating the attacker’s personal background. “We have to wait until we get secure information,” he said.