Seven youths, including a 12-year-old, were shot and killed in southern Mexico, authorities said Friday. According to the public prosecutor's office of the state of Guerrero, the youths frequented a site, near a river in the town of Coyuca de Benitez, "to use inhalants and other drugs." On Thursday afternoon, unidentified armed attackers arrived there and shot them, dpa reported. Six of the youths, aged 13-24, died at the site, while a 12-year-old died of his wounds in hospital. One other was seriously injured. Next to the bodies police found a nylon bag with an inhalant drug.