UN High Commissioner for Human Rights Zeid Ra'ad Al-Hussein called for restrictions on the right to veto the permanent members of the UN Security Council.
He also explained that the decision be taken to prevent serious crimes, reports AP.
According to the High Commissioner, to limit the veto in dealing with war crimes, crimes against humanity and genocide.
He also drew attention to the fact that air strikes over the past 10 days the Syrian Aleppo became "the most intensive " in 2011.
Earlier, the head of the Permanent Mission of Ukraine to the Rev. 'United Nations Vladimir Yelchenko said that the withdrawal of Russian veto in the UN Security Council depends on the other four permanent members of the Security Council.