Iranian presidential candidate Mir Hossein Mousavi was reportedly arrested Saturday following the reformist’s defeat at the polls by hardliner Mahmoud Ahmadinejad. Supporters of Mousavi, the main challenger to Ahmadinejad, responded to the election with the most serious unrest in Tehran in a decade and charged that the result was the work of a dictatorship. Mousavi’s arrest was reported by an unofficial source, according to whom the presidential hopeful was arrested en route to the home of Iran’s supreme leader, Ayatollah Ali Khamenei. Read the full story at HAARETZ.com.