Battles rage between Azerbaijan and Armenia over separatist Nagorno-Karabakh

Both sides blamed each other for the resumption of attacks over the ethnic Armenian territory that lies inside Azerbaijan.

Nagorno-Karabakh Separatists Urge Russia to Open Corridor to Armenia

First Nagorno-Karabakh War - Wikipedia

Why has fighting broken out between Armenia and Azerbaijan?, Nagorno- Karabakh

Armenians in Karabakh surrender, many seek to leave the enclave –

Iran's Weak Position in the South Caucasus - New Lines Institute

Armenian and Azerbaijani forces reignite conflict in separatist region of Nagorno-Karabakh

Armenians protest Nagorno-Karabakh truce terms that gave territorial concessions to Azerbaijan

Nagorno-Karabakh: Historical grievances with dangerous potential, News

Armenia and Azerbaijan allege attacks outside Nagorno-Karabakh, Armenia

Armenia and Azerbaijan Clash as Iran Works on Peace Plan

Armenia, Azerbaijan and Russia reach agreement to end Nagorno-Karabakh fighting

What happens if Azerbaijan is not satisfied with Nagorno-Karabakh and decides to invade all of Armenia? : r/AlternateHistory