Families of Syrians who disappeared during its civil war say the search must go on / Destroyed homes force war-displaced Syrians to live in camps / China urges efforts to curb Syria's descent into division and a refugee crisis / After Assad's ouster in Syria, what next for refugee claims in Canada? / UK could face another 'wave' of migrants if Syrian civil war escalates further / Russian military in Syria help 26 refugees leave US-occupied Al-Tanf zone