A Syrian family walks amid the rubble of destroyed buildings following a reported airstrike on April 28, 2016 in the Bustan al-Qasr rebel-held district of the northern Syrian city of Aleppo. The death toll from an upsurge of fighting in Syria's second city Aleppo rose despite a plea by the UN envoy for the warring sides to respect a February ceasefire. / AFP PHOTO / Baraa Al-Halabi
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