Addis Ababa: All the 17 persons on-board were killed when an Ethiopian military helicopter crashed in Oromia regional state on Thursday, Ethiopia News Agency (ENA) reported.Also Read - Men Forced To Rape Family Members In Ethiopia's Tigray Region Under Threat Of Violence: UN

The Ethiopian Air Force helicopter had taken off early on Thursday from the city of Dire Dawa and was scheduled to arrive at the country’s main Air Force base in Debre Zeit when it crashed about 50 km from its destination, Xinhua news agency reported. Also Read - 'Most Uninhabitable Place': Scientists Discover a Place on Earth Where No Life Exists, Not Even Microbes

Among the 17 dead were two children and two women. An investigation is underway to determine the cause of the crash, ENA reported. Also Read - Black Box Recovered From Wreckage of Nairobi-bound Ethiopian Airlines Aircraft