oslo survivor hiroshima atomic bomb leader group year nobel peace prize saturday urge unite state north korea tone rhetoric negotiate together avoid nuclear strike tensions rise markedly recent months north korea development defiance repeat round u.n. sanction nuclear-tipped missiles capable reach unite state missile test last week prompt u.s. warn north korea leadership would utterly destroy war break pentagon mount repeat show force north korean test international campaign abolish nuclear weapons ican award year nobel peace prize nobel committee cite spread nuclear weapons countries like north korea grow risk atomic war graphic nobel laureates tmsnrt.rs/2y6atvw setsuko thurlow 85-year-old survivor hiroshima bomb aug. 1945 beatrice fihn ican executive director receive prize together sunday oslo city hall front king harald queen sonja human suffer suffer thurlow 13 time attack ican campaigner tell reporters saturday deeply strongly urge leaders north korea u.s. never use nuclear weapons ... negotiate diplomatic solution solution ican fihn say risk nuclear war increase past year urgent threat right tell reporters would strongly urge leaders north korea u.s. back dangerous rhetoric stop threaten use weapons mass destruction engage diplomatic solution ican coalition grassroots non-governmental group 100 nations begin australia campaign u.n. treaty prohibition nuclear weapons adopt 122 nations july need ratify 50 state come force far three do holy see thailand guyana treaty sign would apply state already nuclear arm include u.s. russia china britain france well india pakistan north korea israel also widely assume nuclear weapons although neither confirm deny u.s. britain france send second-rank diplomats award ceremony fihn say kind protest nobel peace laureate group tell u.s. north korea negotiate