A United Nations-backed tribunal in Cambodia holds its first hearings in the trial of four former senior Khmer Rouge officials, including former head of stateKhieu Samphan and Pol Pot's deputy Nuon Chea. [https:--www.bbc.co.uk-news-world-asia-pacific-13922564 (BBC)] [http:--www.france24.com-en-20110627-khmer-rouge-genocide-trial-opens-cambodia-0# (AFP via France 24)]date=August 2019