A veiled Iranian woman walks past an election poster of presidential candidate Mirhossein Mousavi, an Iranian former prime minister, in central Tehran June 13, 2009. Hardline President Mahmoud Ahmadinejad resoundingly won Iran's election, preliminary official results showed on Saturday, but his moderate challenger alleged irregularities and claimed victory for himself. REUTERS/Damir Sagolj (IRAN POLITICS ELECTIONS IMAGES OF THE DAY)