Ahead of a sermon by Mousavi supporter Hashemi Rafsanjani, protesters have taken their fight off the streets – including trying to crash the electricity grid by turning on kitchen appliances en masse.
The role of the supreme leader has changed, but Iran's top cleric, Ayatollah Khamenei, still holds sway. How the political system in Tehran works, and who will determine what comes next.
Hopes dimmed for a thaw in US-Iran relations as the Iranian president criticized his American counterpart Barack Obama for echoing Bush rhetoric.
The Revolutionary Guard vowed to stop the street demonstrations, causing some protesters to stay home. But others gathered Monday to honor the death of Neda Soltan.
Thirty years after the Islamic revolution, Ayatollah Khamenei is looking to remove rival old-guard leaders – including Mir Hossein Mousavi.