Moscow, Sept 1, SPA -- An armed gang holding at least 120 hostages in a school in the southern Russian region of North Ossetia have freed 15 children, Itar-Tass news agency quoted officials at the scene as saying on Wednesday. Russian news agencies said up to 50 children, unnoticed by the hostage-takers during the initial assault, managed to escape during a lull in shooting between police and the attackers. --SPA 1459 Local Time 1159 GMT www.spa.gov.sa/197104