Russia says it is pressing for "silence" in Aleppo after being urged by the US to help end the carnage in Syria's northern hub. Top diplomats are in Geneva, trying to salvage a February ceasefire.
Deutsche Welle: Kerry says ‘critical hours’ for Syria’s Aleppo
Syrians evacuate a toddler from a destroyed building following a reported air strike on the rebel-held neighbourhood of al-Kalasa in the northern Syrian city of Aleppo, on April 28, 2016.
