MINNEAPOLIS (AP) - The national office of the Sigma Phi Epsilon fraternity says it has expelled two men from its University of Minnesota chapter for interfering in a sexual assault investigation against another member.

The announcement followed its report on Sunday about the rape of a 19-year-old student in 2014 by fraternity member Daniel Drill-Mellum, who's now serving six years in prison. The newspaper also reported that two of his fraternity brothers got the victim on the phone, recorded the conversation, and tried to discourage her from reporting the attack to police.

The CEO of Virginia-based SigEp, Brian Warren, said in a statement that the fraternity stands strongly against those who would commit such a callous act, as well as those who would seek to cover it up.

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