In response, FSU President John Thrasher announced an indefinite suspension of Greek life and a ban on alcohol at all student events.
"We do not yet have details surrounding the passing today of student Andrew Coffey, but we will work closely with the Tallahassee Police Department".
Another fraternity member, Garrett John Marcy, 20, was charged Monday with the sale and trafficking of cocaine.
Three killed as gunman attacks Walmart store in US
Police say Ostrem walked into the Walmart at Grant Street and 98th Avenue just after 6 p.m. and began randomly firing a handgun. A New Jersey native & Rutgers University graduate who firmly believes it's better to be lucky than good.
President Thrasher added that the timetable for lifting the suspension is up to the student community.
"Our thoughts and prayers are with the student's family and friends", Pi Kappa Phi CEO Mark E. Timmes said in a statement obtained by ABC News. "For this suspension to end, there will need to be a new normal for Greek life on campus".
No arrests have been made in Coffey's alcohol-related death.
"I want to send a serious message, I really do", Thrasher said. After the February hazing death of 19-year old Timothy Piazza, Penn State suspended fraternities and sororities from holding social activities during the spring semester. "We appreciate the partnership and support from the Division of Student Affairs during this hard time".
Chapter members will be allowed to remain in their fraternity or sorority house and will have meal service. "They will have to participate in the solution".
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