Halabja, Kurdistan,16 years after a poison gas attack on March 16 1988 killed over 5000 Kurds. Saddam Hussein is still to stand trial for the atrocity. Leila Mohammed, who was injured in the gas attack, is seen at the gravestone commemorating her family. In the years since the poison gas fell from the sky Leila has had one child die and her two other children are seriously handicapped. Her son Sarkar, 11, kneeling at the gravestone with her, needs ongoing surgery on his face