One, between Azerbaijan and Armenia over the Nagorno-Karabakh region, has killed or injured tens of thousands of people in many conflicts and flare-ups since those times.

And after a brief but bloody war less than three years ago, tensions are escalating once again.

So why is this happening now – and where might it lead?

And what role are Russia, the US, EU and Turkey playing in this dispute?

Presenter: Imran Khan

Guests:

Farid Shafiyev – Chairman at the Center of Analysis of International Relations and a former Azerbaijan Ambassador to Canada

Anna Ohanyan – Professor of international relations at Stonehill College and Author of, The Neighborhood Effect: The Imperial Roots of Regional Fracture in Eurasia

Ben Aris – Founder and editor-in-chief of bne IntelliNews, a business media company focusing on emerging markets. Ben is also the former Moscow bureau chief for the Daily Telegraph.