Protesters, dressed here as Iranian President Mahmoud Ahmadinejad (2nd right) and Syrian President Bashar al-Assad (right), staged demonstrations near the UN building in New York.
They are protesting against these nations' membership of the General Assembly, which is holding its annual meeting.
The hands of the UN are stained with blood due to its failure to stop the Assad regime in Syria, David Cameron told the UN General Assembly.
David Cameron will urge the world to give support to the emerging democracies of the Arab Spring as he addresses the UN General Assembly.
President Obama said today that the US would not tolerate a nuclear-armed Iran, but that won't extinguish the heated Israeli rhetoric.