Chemical engineering graduate student in US has visa cancelled without warning

A visa to visit the USA

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Two Saudi graduate students at NCSU, including one studying chemical engineering, self-deported rather than be detained by immigration officials

Among a flurry of reports about international students at US universities having their visas rescinded by the State Department for no apparent reason, a chemical engineering graduate student from Saudi Arabia studying at North Carolina State University (NCSU) is the latest to be caught up.