[holding answer 4 June 2007]:A small number of individuals are involved in attacks against UK forces deployed on operations in southern Iraq. While some claim membership of a range of militia groups, we assess that the majority of these individuals are affiliated to the militant and extremist elements of Muqtada al Sadr’s Jaysh al-Mahdi.
[holding answer 4 June 2007]: I am withholding this information as its release would, or would be likely to, prejudice the capability, effectiveness or security of our armed forces.