. "4 killed," . "5 wounded" . . . . "2016-05-18" . "Battle of Ar-Rutbah (2016)" . . "Ar-Rutbah" . . . "CJTF-OIR" . "Battle of Ar-Rutbah (2016)" . "Air support" . "Islamic State of Iraq and the Levant" . . "Iraq" . . "*Iraqi security forces" . "100\u2013400 militants" . . "* Iraqi Army recapture Ar-Rutbah District/Town" . . . "**Federal Police" . . "1,000+ fighters" . "Iraqi government victory" . . . "*Popular Mobilization Forces" . . "**Armed Forces" . . . "* Local Sunni tribes" . . .