This picture taken and released by the Extraordinary Chamber in the Courts of Cambodia (ECCC), shows former Khmer Rouge chief of 'S-21', known as Tuol Sleng prison, Kaing Guek Eav, alias Duch (centre), standing in the courtroom at the Extraodinary Chambers in the Courts of Cambodia in Phnom Penh. Prosecutors have asked Cambodia's war crimes court to hand Duch a 40-year jail term. Photo:/AFP Wed Nov 25, 5:28 AM