A picture of Palestinian student boy Muhannad Al Sawarka, who was killed in an Israeli air strike on the Gaza Strip, is seen on his study seat next to his classmates at a school, in Deir al-Balah, central of Gaza Strip on November 16, 2019. Israel said that it targeted Al Sawarka family and killed 8 people by mistake. Human rights groups have criticised previous Israeli army investigations into potential war crimes carried out in the Gaza Strip. Photo by Ashraf Amra