The leaders of arch-foes Armenia and Azerbaijan agreed in a Brussels meeting Sunday to "advance discussions" on a peace treaty over a troubled region that saw a war break out in 2020, the European Council's president said. The Nagorno-Karabakh region, situated in Muslim-majority Azerbaijan with mostly Christian Armenian residents, is the focus of a decades-long territorial dispute between the two ex-Soviet Caucasus neighbors. In 2020 the simmering tensions escalated into ...