Suspected drug hitmen burst into a party and killed 13 people, most of them teenagers, on Sunday in Ciudad Juarez, the latest massacre in one of the world's deadliest cities, Mexican media said, according to AP. Gunmen jumped out of sport utility vehicles and fired at people in a house in the city across border from El Paso, Texas, in the early hours of Sunday, newspapers El Diario and Reforma said. Police and officials in Ciudad Juarez confirmed the shooting but declined to give more details.