# U.S. Presses China to Free American Seismologist Accused of Spying
President Trump has urged Chinese leader Xi Jinping to release Youlin Chen, an American seismologist who has been accused of spying by Chinese authorities. According to Chen's family, Trump has made a direct appeal for his release.
Chen is a scientist who specialized in detecting North Korean nuclear tests through seismic analysis. His detention by China represents a point of diplomatic friction between Washington and Beijing, with the United States now pressing for his freedom through high-level channels.
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