TOPSHOT - Smoke billows following a reported air strike on a rebel-held area in the southern Syrian city of Daraa, on April 16, 2017. (Photo by Mohamad ABAZEED / AFP) (Photo by MOHAMAD ABAZEED/AFP via Getty Images)
TOPSHOT - Smoke billows following a reported air strike on a rebel-held area in the southern Syrian city of Daraa, on April 16, 2017. (Photo by Mohamad ABAZEED / AFP) (Photo by MOHAMAD ABAZEED/AFP via Getty Images)