In this picture taken on Tuesday, April 4, 2017, victims of the suspected chemical weapons attack lie on the ground, in Khan Sheikhoun, in the northern province of Idlib, Syria. The death toll from a suspected chemical attack on a northern Syrian town rose to 72 on Wednesday as activists and rescue workers found more terrified survivors hiding in shelters near the site of the harrowing assault, one of the deadliest in Syria's civil war. (Alaa Alyousef via AP)

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