Former Nagorno-Karabakh Armenian leader arrested amid mass exodus Azerbaijan confirms it has detained controversial Russian-Armenian billionaire Ruben Vardanyan. #press https://www.politico.eu/article/former-nagorno-karabakh-armenian-leader-ruben-vardanyan-arrested-amid-mass-exodus/?utm_medium=RSS&utm_campaign=RSS_Syndication&utm_source=press.coop