Abdel Hamid al-Youssef, shows a picture on his phone of his infant twins and his brother who he says were killed when poison gas was dropped on their home town of Khan Sheikhoun in 2017, as he sits in his house in the rebel-held town of Sarmada in Idlib province, Syria April 1, 2022. Picture taken April 1, 2022. REUTERS/Khalil Ashawi
