The main theme of David Cameron's speech was to continue the progress of the Arab Spring, which he described as a "precious opportunity for people to realise their aspirations".
"Today is not the time to turn back - but to keep the faith and redouble our support for open societies, and for people's demands for a job and a voice," he said.
He also urged the General Assembly to "judge governments not by their religion - but by how they act and what they do". He was, in particular, speaking of recently-elected Islamist governments.
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.