College Station police say the 19 year old student who died of a drug overdose at a fraternity house at Texas A&M over the weekend was from Collin County. Anton Gridnev of Frisco was found unconscious and unresponsive early Saturday at the Sigma Nu house on Fraternity Row and was pronounced dead at a local hospital. Four fraternity members were arrested for possession of marijuana, LSD, MDMA or other drugs. Several others were arrested for possession of drug paraphernalia.