Armenia and Azerbaijan are accusing each other of moving troops to their border areas. Tension has been rising in the disputed Nagorno-Karabakh region. But why is this a concern now? And what's the role of foreign powers?

Join host Imran Khan.

Guests:

Farid Shafiyev - Chairman, Center of Analysis of International Relations.

Anna Ohanyan - International Relations Professor, Stonehill College.

Ben Aris - Editor-in-Chief, bne IntelliNews.