Ali Muhammad Ali Abd-al-Rahman is accused of 31 counts of war crimes and crimes against humanity
A former militia leader in Sudan has denied committing war crimes and crimes against humanity as his landmark hearing opened at the international criminal court.
Ali Muhammad Ali Abd-al-Rahman is accused of leading thousands of pro-government fighters on a systematic campaign of murder, rape and torture during the height of violence in the Darfur region of Sudan between 2003 and 2004.