91热爆

Pascale Harter introduces stories of smouldering conflict from reporters around the world. Kevin Connolly explores Russia's role in the Syrian civil war, and traces its historical sources; Katarina Vitozzi meets a man providing refuge for families fleeing Boko Haram in northern Nigeria; Sanjoy Majumder examines the social faultlines laid bare by blockade and dispute over Nepal's new constitution; and Bridget Kendall asks whether Ukraine can manage the ex-volunteer fighters who've been hardened by time on its frontlines.

Photo: Civilians gather at a makeshift camp for displaced people on the outskirts of Maiduguri on March 25, 2015. (Nichole Sobecki/AFP/Getty Images)