UN arms official says risk of nuclear war at its highest since WW2 | TheHill The HillRisk of nuclear war now highest since WW2, U.N. arms research chief says ReutersNuclear war risk highest since WWII, UN arms research chief warns Aljazeera.comThe risk of nuclear war is now the highest it's been since WWII, a UN security expert says Business InsiderView full coverage on Google News