u.s. secretary of state antony blinken is expected to arrive in turkey today, the first stop on his eight nation visit to the middle east where he is hoping to keep the israel-hamas war from spreading. this as isis is claiming responsibility for the twin explosions in iran on wednesday that killed 84 people. meanwhile in iraq a militia source says a top commander for pro iranian group was killed in a strike in baghdad. one american tells cnn that the group has u.s. blood on its hands, that was an american official. the u.s. is fighting back against pro iranian proxies in the region. militia source says a top commander and his assistant were killed in a strike in baghdad. oren lieberman has nor fmore fre pentagon. reporter: a u.s. strike in iraq, second in little more than a week, killing the commander of a pro iran militia. and the target had u.s. blood one official says. actively involved in planning and carrying out attacks against