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 ReutersThe risk of nuclear war is now the highest it's been since WWII, a UN security expert says Business InsiderNuclear war risk highest since WWII, UN arms research chief warns Aljazeera.comView full coverage on Google News