The British Prime Minister used his debut speech at the United Nations to denounce Mahmoud Ahmadinejad.

David Cameron, speaking just after diplomats from 30 countries left the hall in a mass protest against the Iranian leader's presence, gave a speech attacking Mr Ahmadinejad's record.

Filmmakers who made a documentary last year examining Iran's nuclear ambitions are asking members of the public to join a new online campaign highlighting the oppressive nature of the Iranian regime.

The Faces4Freedom campaign has been launched to protest against President Mahmoud Ahmadinejad's presence at this week's UN session.

The Iranian president has declared that Israel is a "hotbed for cancerous cells".

Mahmoud Ahmadinejad marked International Quds Day (Jerusalem Day) with a speech at Tehran University, in which he said there would be no room for Israel in the Middle East after a Palestinian state was established

"Iran believes that whoever is for humanity should also be for eradicating the Zionist regime (Israel) as symbol of suppression and discrimination.

"Iran follows this issue with determination and decisiveness and will never ever withdraw from this standpoint and policy."

At the time a seemingly isolated instance of a Middle Eastern population rebelling against autocracy, the Green revolution was in some ways a harbinger of things to come.

But while the Arab Spring demonstrations saw the citizens of Egypt and Tunisia overthrow their leaders in pursuit of democracy, the same was not true of the Persian protests.

A film featuring a detailed examination of Iran’s nuclear ambitions and their impact on international security will have its European premiere at a London synagogue next week.

"The Holocaust, on which independent research is strictly banned in the West, was nothing but a preposterous claim to settle European Jews in the Muslim land of Palestine by falsely creating a sense of oppression for the Zionists.

"Iran's President Mahmoud Ahmadinejad in statements applauded by all independent and conscientious people of the world has proposed due research on the supposed Holocaust."