<sod >British soldiers are likely to face prosecution for crimes including murder in Iraq, the head of the unit established by the Ministry of Defence to investigate allegations of torture and unlawful killing in the war-torn country has said.< eod>< sod > British soldiers who have served in Iraq may face prosecution for crimes including murder, the head of the unit established by the Ministry of Defence to investigate allegations of torture and unlawful killing in the war-torn country has said.< eod>