ST. GEORGE (KSL.com) — A former Utah Tech University student is accused of entering student housing on campus and sexually assaulting three female students in 45 minutes. Alex Gabriel Barajas, 22, of St. George, was charged Tuesday in 5th District Court with three counts of rape and aggravated burglary, first-degree felonies; five counts of burglary, a second-degree felony; three counts of witness tampering, a third-degree felony; trespassing, a class A misdemeanor; and intoxication, a class C misdemeanor. On Friday, at about 3:20 a.m., Utah Tech University police were called to a student hous…