Complex sentence: Initially, they were to undergo a court-martial in Diyarbakir; however, Khajag along with the rest were murdered en route in the area of Karacur between Urfa and Severek (today Siverek).
Split into simpler sentences: Initially, they were to undergo a court-martial in Diyarbakir. However, Khajag along with the rest were murdered en route in the locality of Karacur between Urfa and Severek (today Siverek).