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Syrian emergency personnel gather around dead bodies wrapped in shrouds following air strikes by Syrian government forces on a marketplace in the rebel-held area of Douma, east of the capital Damascus, on August 16, 2015. At least 82 people were killed and 250 people were injured, with the death toll -most of them civilians- likely to rise as many of the wounded were in serious condition, the Syrian Observatory for Human Rights said. AFP PHOTO / SAMEER AL-DOUMY (Photo credit should read SAMEER AL-DOUMY/AFP/Getty Images)

Syrian emergency personnel gather around dead bodies wrapped in shrouds following air strikes by Syrian government forces on a marketplace in the rebel-held area of Douma, east of the capital Damascus, on August 16, 2015. At least 82 people were killed and 250 people were injured, with the death toll -most of them civilians- likely to rise as many of the wounded were in serious condition, the Syrian Observatory for Human Rights said. AFP PHOTO / SAMEER AL-DOUMY        (Photo credit should read SAMEER AL-DOUMY/AFP/Getty Images)