Statement of the United Nations High Commissioner for Human Rights on the situation in Aleppo, Syria.
The Office of the United Nations High Commissioner for Human Rights
21 October 2016 

On 21 October, the United Nations High Commissioner for Human Rights, Zeid Ra’ad Al Hussein, met with the Human Rights Council in Geneva to discuss the dire situation in Syria. He expressed his concern for the people in Aleppo and noted that the siege and bombardment of the area “constitutes crimes of historic proportions” and called for an immediate ceasefire as well as accountability for those guilty of war crimes.

See the full statement here.