A supporter of Mirhossein Mousavi holds a campaign poster displaying Iranian President and presidential candidate Mahmoud Ahmadinejad during an election rally in Tehran

A supporter of former Prime Minister and presidential election candidate Mirhossein Mousavi wears a green ribbon, the symbolic colour of Mousavi’s campaign, on his wrist as he holds a campaign poster displaying Iranian President and presidential candidate Mahmoud Ahmadinejad during an election rally in Tehran, June 6, 2009. The words on the poster reads, “Dear father and mother choose the best”. REUTERS/Morteza Nikoubazl (IRAN POLITICS ELECTIONS IMAGES OF THE DAY)