China detains US scientist who studied North Korea nuclear tests
Chen Youlin, a US seismologist specializing in nuclear test tracking, has been detained in China for nearly two years on espionage charges. His family and advocacy groups maintain his work was collaborative and scientific, while Chinese officials insist the detention is legal.
Why it matters
The case highlights escalating geopolitical tensions between the US and China, particularly regarding scientific cooperation and the risks faced by dual-citizen researchers.
Image source, Reuters Image caption, Chen Youlin (right) specialises in using seismological data to track nuclear tests
The article presents the family's perspective alongside the official Chinese government statement, maintaining a balanced reporting style.
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