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North Korea tests “smaller and lighter” bomb
This morning North Korea announced that it had conducted a third underground nuclear weapons test. The test was detected by US Geologic Survey seismic monitoring stations and those of the Comprehensive Test Ban Treaty Organisation in Vienna, which reported “explosion-like characteristics”. The yield of the test is believed to be between roughly 3 and 10 kilotonnes, according to James Acton, a physicist at the Carnegie Endowment for International Peace in Washington, DC.
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