Sayed Ayatollah Mohammed Baqir al-Hakim, the Shia Muslim leader in Iraq, is assassinated in a terrorist bombing, along with nearly 100 worshippers as they leave a mosque in Najaf.

Sayyid is an honorific title used by Muslims to denote descendants of the Islamic prophet Muhammad, particularly those descended through his daughter Fatima and Ali's sons Hasan and Husayn. Sayyids are found throughout the Muslim world and their lineages vary, with many tracing their ancestry to…