The statement gave no reason for the decision, which comes at a time of heightened sectarian tension and violence between majority Shia and Sunni Arabs.


"I think it is because I'm always rejecting most of the decisions made by this government," al-Samarrai said.


"Also we kept on rejecting the role of the militias and their role in killing Iraqis. We hold the government and the prime minister responsible for all these actions but he seems to be unable to take responsibility."