
Underwater explosion: The blast of the nuclear attack craft ‘Haeil’ is seen during an exercise around Hongwon Bay. — AP
SEOUL: North Korea claimed to have tested a nuclear-capable underwater drone designed to generate a gigantic “radioactive tsunami” that would destroy naval strike groups and ports.
Analysts were sceptical that the device presents a major new threat, but the test underlines the North’s commitment to raising nuclear threats.
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