Explainer: Who's fighting in Nagorno-Karabakh, and why does it matter?

WHERE AND WHAT IS NAGORNO-KARABAKH? It's a mountainous, forested patch of land that sits inside the territory of ex-Soviet Azerbaijan and is recognised under international law as part of that country. Nagorno-Karabakh survives almost totally on budget support from Armenia and donations from the worldwide Armenian diaspora.

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