▁S AS ) ▁began ▁conduct ing ▁operations ▁in ▁Bag hd ad ▁nearly ▁every ▁night . ▁They ▁also ▁focused ▁operations ▁on ▁tak ed own s ▁of ▁Sh ia ▁and ▁Sun ni ▁milit ants ▁as ▁well ▁as ▁Al - Q a eda ▁bomb ▁mak ers ▁in ▁May ▁and ▁June ▁ 2 0 0 7 , ▁between ▁May ▁and ▁November ▁A ▁squad ron ▁arrested ▁ 3 3 8 ▁people ▁and ▁killed ▁ 8 8 . ▁ ▁Operation ▁A ston , ▁February ▁ 2 0 0 4 , ▁personnel ▁from ▁B ▁Squadron ▁of ▁ 2 2 ▁S AS , ▁assault ed ▁a ▁house ▁in ▁southern ▁Bag hd ad ▁that ▁M I 6 ▁intelligence ▁showed ▁was ▁part ▁of ▁a ▁' ji had ist ▁pipeline ' ▁from ▁Iran ▁to ▁Ira q ▁that ▁American ▁and ▁British ▁intelligence ▁ag encies ▁were ▁tracking ▁suspect s ▁on ▁and ▁these ▁suspect s ▁fell ▁in ▁with ▁a ▁j ih ad ist ▁group . ▁Just ▁before ▁the ▁S AS ▁assault ed ▁the ▁house ▁they ▁were ▁comprom ised ▁by ▁loc als ▁and ▁a ▁fire f ight ▁with ▁the ▁j ih ad ist ▁en su ed , ▁the ▁S AS ▁pressed ▁on ▁and ▁assault ed ▁the ▁house , ▁as ▁soon ▁as ▁they ▁broke ▁in ▁a ▁j ih ad ist ▁fired ▁his ▁A K - 4 7 ▁light ly ▁w ounding ▁one ▁S AS ▁Serge ant . ▁After ▁a ▁short - range ▁fire f ight , ▁the ▁building ▁was ▁secured , ▁killing ▁two ▁and ▁capt uring ▁two ▁foreign ▁j ih ad ist , ▁the ▁two ▁captured ▁j ih ad