The unidentified 19-year-old was found at the Sigma Nu house in College Station Saturday morning. The student, who was a member of the fraternity, was pronounced dead at a hospital.
RAW VIDEO: Police investigate at Sigma Nu house at Texas A&M
Student dies at Texas A&M fraternity house
Police believe the student died of an overdose, but were awaiting autopsy reports before releasing their official cause of death.
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Meantime, four students were arrested at the frat house for possession of marijuana and another controlled substance.
Mugshots: Texas A&M students arrested on drug charges at Sigma Nu
Michael Frymire, 20; Ty Robertson, 21; Samuel Patterson, 21; and Christian Sandford, 18, were facing charges after their arrest.
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The Sigma Nu fraternity said in a statement that they were keeping the victim and his family in their thoughts and prayers. They were also assisting police with the investigation.
The Associated Press contributed to this report.