CNNAleppo siege and air strikes are war crimes: UN rights bossReutersPaulo Pinheiro, Chairperson of the Independent Commission of Inquiry on Syria, gestures before a special session of the Human Rights Council on the situation in the Syrian city of Aleppo at the European headquarters of the United Nations in Geneva, ...UN human rights chief warns of war crimes in AleppoCNNThe Latest: Serbia denies politics involved in aid for SyriaWashington PostAleppo Siege, Strikes Are 'Crimes of Historic Proportions': UN Rights ChiefNBCNews.comBBC News -Aljazeera.com -SBSall 53 news articles »