backed shia militias. yes they re mobilizing the shia militias and sunni tribal fighters that make of the popular mobilization units that will be involved in the fight. and iraqi officials continue to say that this is coming at the request of sunni officials in anbar province. they say that they want the help from these iranian backed shia militias. it is going to be very risky. not one organized fighting force. they do not come under one command per se. we have seen them in the past. being accused as some of the groups, i have to say, shia militias accused of carrying out crimes against sunni populations in areas that they quote, unquote, liberated. it is going to be risky. a test to see how this actually plays out. as you sd aid, very complicated and tough taking them into the sunni heartland. yes, of course, added to that. problems, criticisms, u.s.