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A former Lehigh University student faces attempted murder charges for allegedly attempting to poison his roommate, The Morning Call and Lehigh Valley Live reported. The student, Yukai Yang, a chemistry major from China, is also accused of writing racist graffiti directed at the same roommate, who is black.
Prosecutors believe Yang put small quantities of thallium -- an odorless and colorless chemical used as rat poison -- and possibly other chemicals into his roommate’s food, drink and mouthwash over a period of several months. Yang’s defense lawyer did not return phone calls from the two publications seeking comment.
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