This photo, taken by an individual not employed by the Associated Press and obtained by the AP outside Iran shows an Iranian anti-riot police officer, center, held by protestors, as they put a green scarf, a symbolic color of opposition, on his head after their clash during anti-government protest at the Enqelab (Revolution) St. in Tehran, Iran, Sunday, Dec. 27, 2009. (AP Photo) EDITORS NOTE AS A RESULT OF AN OFFICIAL IRANIAN GOVERNMENT BAN ON FOREIGN MEDIA COVERING SOME EVENTS IN IRAN, THE AP WAS PREVENTED FROM INDEPENDENT ACCESS TO THIS EVENT