American bomb from WWII detonates at airport in Japan WKRC TV CincinnatiMoment American WWII bomb explodes at Japanese airport Sky News500-pound bomb dropped during World War II explodes at Japanese airport: Watch video Yahoo! VoicesJapan airport shut after likely WW2-era bomb explodes near runway, 87 flights cancelled ReutersWorld War II-era bomb explodes at busy international airport, cratering taxiway Fox News