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.
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Armed police have taken part in a dramatic training exercise aimed at recreating the chaos of a Paris-style terror attack.
After a remarkably mild November - a notable mild start to the new month.
The Facebook founder revealed the plan as he and wife Priscilla Chan announced the birth of their baby daughter, Max.