In this photo provided by the Syrian Civil Defense White Helmets, rescue workers work the site of airstrikes in  the al-Sakhour neighborhood of the rebel-held part of eastern Aleppo, Syria, Wednesday Sept. 21, 2016. Ibrahim Alhaj, a member of the volunteer first responders known as the Syria Civil Defense, said 24 people were killed in a series of bombings in several parts of the besieged city Aleppo on Wednesday.  (Syrian Civil Defense White Helmets via AP)
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