The Wall Street Journal: Satellite images show North Korea may be planning nuclear test

SEOUL — North Korea may be preparing to test another nuclear device as President Donald Trump prepares to meet Chinese President Xi Jinping next month, in a summit that is expected to focus on containing North Korea’s weapons program.

Commercial satellite imagery analyzed Tuesday by North Korea experts showed signs of activity at the nuclear test site at Punggye-ri in the country’s northeast, where North Korea had previously conducted tests.

Joseph Bermudez and Jack Liu, analysts for 38 North, said the imagery, taken on March 25, suggested that communications cables had recently been laid, and that water had been drained, at an entrance to an underground site — a combination of signals that they said “strongly suggests that test preparations are well under way.

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