White Helmet volunteers search for survivors at a site reportedly hit with a barrel bomb in the Al-Shaar neighborhood of Aleppo, Syria, on September 17, 2015.

White Helmet volunteers search for survivors at a site reportedly hit with a barrel bomb in the Al-Shaar neighborhood of Aleppo, Syria, on September 17, 2015.

Credit:

Abdalrhman Ismail/Reuters

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