Youlin Chen detained in China: A China-born American Youlin Chen, a seismologist, has been detained in China for almost two years. His family has now spoken publicly, hoping for his release and well-being. The espionage case gained attention after President Trump raised it with President Xi. According to an advocacy group, Chen's arrest is linked to the techniques the US uses to detect nuclear tests using seismic data

WASHINGTON: A Chinese-born American seismologist who has published US-funded work on detecting North Korean nuclear tests has been detained in China for nearly two years and faces…

The case of Youlin Chen, reported here for the first time, adds an irritant to the tense relationship between the nuclear-armed rivals as Trump seeks to keep the relationship…