The University of Arizona has barred Sigma Phi Epsilon from hosting, attending or participating in parties and other activities after a student reported she was sexually assaulted by two fraternity members — the latest action following a misconduct probe involving nearly half the Greek chapters on the Tucson campus. The suspension issued to Sigma Phi Epsilon, also known as SigEp, on Wednesday, October 21, arrives just days after the student’s sexual assault report to police became public and only weeks after the university placed all 21 fraternities on an interim activities suspension amid all...