Kabul, Shawwal 21, 1436, August 06, 2015, SPA -- At least 18 soldiers are killed when their helicopter crashes in southern Afghanistan, dpa reported. "The helicopter crashed in Naw Bahar district of Zabul province, because of technical problems," a security official said. --SPA 11:41 LOCAL TIME 08:41 GMT www.spa.gov.sa/w