Two teachers were killed by a student at a high school in southern Sweden, police said Tuesday. The 18-year-old student was arrested at the scene on Monday in Malmo, Sweden’s third-largest city. The victims were two women in their 50s, police said. The suspect wasn’t previously known to the police and had no criminal record, and police didn’t disclose how the teachers were killed. A motive hasn’t been established. “For now it is far too early to comment on that,” Malmo Police Chief Petra Stenkula told a news conference. She said officers arrived and found the suspect and two victims on the third floor of the downtown Malmo Latin School 10 minutes after they were alerted, adding that the situation was then “under control.” Stenkula didn’t confirm a report by the Aftonbladet newspaper, saying the male student himself called authorities to say he had killed two people, had put down …