Iraqi fighters from the Shiite Muslim Al-Abbas popular mobilisation unit hold up their weapons in the area surrounding the village of Nukhayb in the embattled Anbar province west of the capital Baghdad, on May 19, 2015. Iraq's army and allied paramilitary forces massed around Ramadi, looking for swift action to recapture the city from the Islamic State (IS) group before it builds up defences. AFP PHOTO / MOHAMMED SAWAF        (Photo credit should read MOHAMMED SAWAF/AFP/Getty Images)