Iranian students have staged a rare demonstration against President Mahmoud Ahmadinejad, setting off firecrackers and burning pictures of him as he delivered a speech at Tehran PolyTechnic university. - CNN

Dozens of protesters burned pictures of Iranian president Mahmoud Ahmadinejad crying 'dictator go away', 'death to dictatorship' and threw firecrackers on Monday forcing him to interrupt several times a speech he was giving at the Amir Kabir university (Tehran Polytechnic) in Tehran and leave before scheduled. A thousand students had also protested on Sunday at the university asking the president not to come the following day. - AKI

Tehran, 11 Dec. (IPS) Hundreds of pro-reforms students burned pictures of hard line Iranian President Mahmoud Ahmadi Nezhad, booed him with chants of “Ahmadi Nezhad, symbol of discrimination and dictatorship” and threw firecrackers in an effort to disrupt his speech at a university on Monday, according to eyewitnesses and reports from several Iranian independent news agencies. - IPS

Iran's president, Mahmoud Ahmadinejad, faced an unprecedented outburst of public opposition today from student demonstrators who burned his picture and chanted "death to the dictator". - Guardian Unlimited

PS. I am a Tehran PolyTechnic student, and I was there from the begining to the end. All the news sources above quoted the truth. Governmental news agencies here extremely trying to censor the truth about the meeting today.