Kurdish People's Protection Units (YPG) fighters and foreign fighters (R) who joined the YPG, man their weapons during what the YPG said was an offensive against them by Islamic State fighters, in the western countryside of Ras al-Ain March 10, 2015. Picture taken March 10, 2015. REUTERS/Rodi Said (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT MILITARY)