John Thrasher, the FSU president, announced the indefinite ban on Monday in the wake of the alcohol-related death during a freshman pledge and cocaine charges for another fraternity member.
Thrasher said the suspension of all Greek life activities is effective immediately.
The suspension followed the death of Andrew Coffey, a 20-year-old pledge at Pi Kappa Phi, who was found unresponsive after attending a party on Thursday. Police said there were indicators that alcohol may have been a factor.
In a separate and unrelated case, fraternity member, Garret Marcy of Phi Delta Theta was charged with selling drugs.
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"I want to send a serious message, I really do", said Thrasher. All operations of FSU's Pi Kappa Phi chapter were suspended, and the members of the chapter were directed to cooperate fully with all investigative efforts, the national organization said. Louisiana State had a one-month suspension and continues to ban alcohol at Greek parties after the hazing death of 18-year old Maxwell Gruver in September. "We've got a serious problem", President John Thrasher said.
University officials say, in the coming weeks, the Division of Student Affairs will create and implement new measures in collaboration with students and other stakeholder groups.
Florida State is at least the third university this year to suspend all Greek life, according to The Associated Press. "They will have to participate in the solution".
Students in those chapters will be allowed to remain as residents in their fraternity or sorority house and will have meal service.