Hussein Arbeeni, 41, right, sits next of his mother mother Khadija Dabbas, 66, left, as he explains how he and his family suffered from the sarin struck during a 2013 chemical weapons attack that was blamed on then President Bashar Assad's forces, in Zamalka neighbourhood, on the outskirts of Damascus, Syria, Wednesday, Dec. 25, 2024. (AP Photo/Hussein Malla)