Tunis, Shawwal 09, 1437, July 14, 2016, SPA -- Two military personnel were killed on Thursday when their helicopter crashed during a training mission in central Tunisia, the Defence Ministry said according to dpa. The army helicopter crashed in the central province of Sfax with two aboard, the ministry added. The cause of the crash was not known. --SPA 19:13 LOCAL TIME 16:13 GMT www.spa.gov.sa/w