A car bomb exploded at the Imam Ali mosque in Najaf during Friday prayers, killing at least 82 people, including one of Iraq 's most important Shiite clerics, Mohammad Baqir Al-Hakim.
Mohammed Baqir Al-Hakim died in the bombing, his nephew told The Associated Press.
"I called family in Najaf and they confirmed he was dead," said the nephew, Murthada..
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