A Toronto police officer was killed while investigating a shooting that damaged the US consulate in March. One suspect is in custody, and police are searching for a second armed and dangerous individual.

A Toronto police officer was shot and killed Thursday by a suspect in the investigation into a shooting attack that damaged the facade of the US consulate in the Canadian city in March, police said. One 19-year-old suspect was in custody at a hospital in critical condition while officers searched for a second suspect, who was identified as 19-year-old Zara Jabbi and was considered armed and dangerous, Toronto Police Chief Myron Demkiw said at a news conference. “I urge you to turn yourself in,”....