- Why have there been clashes over control of Nagorno-Karabakh?CNN
- Nagorno-Karabakh: What’s going on between Armenia and Azerbaijan?Reuters
- Nagorno-Karabakh: Azerbaijan’s Aliyev hails surrender of ethnic ArmeniansBBC
- Ceasefire reached between Armenian and Azerbaijan forces in Nagorno-Karabakh regionCBS News
- Military escalation around the Karabakh region – PortalCouncil of Europe