Iraq clashes explained: At least 30 people were killed and 400 were injured in Iraq’s capital Baghdad in clashes between Shia militias and Iraqi security forces after  Muqtada al-Sadr said he was withdrawing from politics. Iraq clashes explained: At least 30 people were killed and 400 were injured in Iraq’s capital Baghdad in clashes between Shia militias and Iraqi security forces after  Muqtada al-Sadr said he was withdrawing from politics.