The UN Security Council is due to be briefed by Ukrainian President Volodymyr Zellenskyy in New York on Tuesday as he seeks support for a new "victory plan" from world leaders. Earlier, the UN Secretary-General told the General Assembly there was no let up in Russia's full-scale invasion and it's time now for a just peace "based on the UN Charter, international law and UN resolutions." We'll have full coverage as it happens, and UN News app users can follow here.