Hussein Arbeeni, 41, centre, sits between his mother mother Khadija Dabbas, 66, left, and his brother Hassan Arbeeni, 42, right, explains how he 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)