John Dickinson, one of the lawyers representing the Iraqis in the al-Sweady case, said the inquiry has taken so long to set up, because it was "vigorously opposed" by the MOD.
More than three years after it was ordered, the inquiry will examine claims that UK soldiers murdered 20 or more Iraqis, and tortured detainees in Maysan Province, southern Iraq, in May 2004.
More top news
Tesco is withdrawing a range of soft drinks, including sugary varieties of Ribena and Capri Sun, due to concerns over child obesity.
Mother charged with intent to pervert the course of justice after alleging her breastfeeding child was pulled from her by a security guard.
Dash-cam footage shows the plucky pair risk a head-on collision to stop the car which was going at 70mph.