Salah al-Iraqi played a prominent role in anti-government protests in Iraq's capital.
Read moreIraq protests
By Jeremy Bowen
BBC Middle East editor
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Video caption: Iraq protesters: Demonstrators block roads in Najaf Iraqis have continued to protest following the nomination of Mohammed Allawi as prime minister.
By Nafiseh Kohnavard
BBC Persian, Union III airbase, Baghdad
Iraq ends year in political turmoil
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Video caption: The poet Sinan Antoon says Iraqis are fed up with their corrupt political elite Video content
Video caption: Iraq ends year in political turmoil A political crisis continues to roil Iraq, as protesters remain on the streets despite a mounting death toll.
By Jim Muir
Visiting Senior Fellow, Middle East Centre, LSE
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Video caption: What's behind the wave of Middle East protests? The BBC's Jeremy Bowen asks why people have been taking to the streets in Lebanon, Iran and Iraq.
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Video caption: Iraq unrest: Protesters celebrate in Baghdad as PM says he will resign Anti-government demonstrators in Baghdad welcome PM Abdul Mahdi's decision to step down.
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Video caption: Iraq unrest: Shots heard as protesters flee during crackdown Video shows protesters fleeing from the sound of gunfire in the southern city of Nasiriya.