Facing a strong challenge from former prime minister Mirhossein Mousavi, Iranian president Mahmoud Ahmadinejad compares opposition tactics to Hitler, calling for them to be imprisoned. In response, former president Akbar Hashemi Rafsanjani asks the country’s supreme leader Ayatollah Ali Khameni to censure Ahmadinejad for unfairly accusing reformists of corruption. The nation votes for a new president on Friday.

The five permanent members of the United Nations Security Council agree to tighten sanctions on North Korea in response to a nuclear test and missile launches by the communist nation.

A French nuclear submarine joins the search for the black box containing flight data of the last moments of Air France flight 447.

Gabon President Omar Bongo Ondimba, the longest serving ruler of an African state, dies in Spain. President of the Senate Rose Francine Rogombe is sworn in as interim leader.

In an apparent revenge bombing for recent Pakistan army operations in the Swat Valley, a blast from three suicide bombers at the Peshawar Pearl Continental kills 11 and injures 50.