1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) (sports) the chief official (as in boxing or american football) who is expected to ensure fair play 2) a militant organization of irish nationalists who used terrorism and guerilla warfare in an effort to drive british forces from northern ireland and achieve a united independent ireland 3) a decree that prohibits something DOWN 1) support resembling the ___ of an animal 2) a period marked by distinctive character or reckoned from a fixed point or event 3) a device for creating a current of air by movement of a surface or surfaces ** Scroll down for solution. ** Are you sure you want to peek? ref ira ban