Analysis: Why Armenia and Azerbaijan are clashing over a disputed region

The dispute over Nagorno-Karabakh has run hot and cold since the 1994 ceasefire -- one of several "frozen conflicts" that blight the post-Soviet world. Yet this weekend's clashes mark a new height in rhetoric and signs of intent.

source https://www.cnn.com/2020/09/28/europe/azerbaijan-armenia-clashes-explainer-intl/index.html