Putin’s war is part of the untidy and slow-motion disintegration of the Soviet Union.

Setbacks in the Kremlin’s campaign are causing regional supporters to think twice about the Eurasian military alliance.

Geopolitical change opens the chance to capitalise on goodwill for a potentially valuable partnership.

There are advantages to staying neutral in a clash destined to change the shape of Europe.

Anger and humiliation at their defeat means Armenia will see this conflict very much as unfinished business.

An eruption of bitter fighting in a seemingly intractable conflict is aggravating wider regional tensions.