Xiyue Wang, a Chinese-American graduate student at Princeton University who had been detained in Iran since 2016, was freed Saturday. Iran and the United States conducted a prisoner exchange in Zurich, Switzerland, which also saw the release of Iranian scientist Massoud Soleimani who had been convicted of violating U.S. trade sanctions against Iran. President Trump confirmed the swap Saturday, as did Iranian Foreign Minister Mohammad Javad Zarif. Wang, a student of late 19th- and early-20th-century Eurasian history, reportedly went to Iran to learn Farsi and conduct archival research for his dissertation. He reportedly disclosed his research plan, and Princeton said he was not involved in any political activities or social activism, but Tehran claimed he had ties to U.S. intelligence agencies, which led to his detainment.
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