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The prohibition on testing

No state engaged in conduct in 2022 that contravened the TPNW’s prohibition on testing. North Korea, however, the only state known to have engaged in explosive nuclear testing since 1998, was said to be moving towards conducting a new nuclear test as the year drew to a close.

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Photo published by North Korean state media of the country’s leader Kim Jong-un hand-in-hand with his daughter during his inspection of a test launch of an unarmed Hwasong-17 ICBM on 18 November 2022. As the year drew to a close, North Korea was said to be moving towards a new explosive test of a nuclear weapon. Photo: EyePress News/Shutterstock/NTB