By . Rachel Quigley . PUBLISHED: . 14:30 EST, 10 October 2012 . | . UPDATED: . 17:02 EST, 10 October 2012 . A college freshman died after leaders of his fraternity locked him and 15 others in a room as part of a hazing ritual, allegedly telling them they couldn't leave until all the bottles of alcohol were gone. More details have emerged about the events surrounding the death of 18-year-old Philip Dhanens, from Fresno, since an investigation was launched after the California State University party turned tragic. The 18-year-old had only been at college two weeks when he took part in a drinking binge at a off-campus fraternity house on August 31. He was pronounced dead two days later. Scroll down for video . Last year's prom king: Dhanens was a 2012 graduate of Garces Memorial High School in Bakersfield where he was a 6-foot, 5-inch, 325-pound defensive tackle for the school's football team . Tragic: Philip Dhanens, pictured with his girlfriend Zoe, has died after an apparent heavy night of drinking during a fraternity pledge event. He had been at university for just two weeks . The coroner said . Dhanens had swelling of the brain due to acute alcohol consumption and . his blood-alcohol level was 0.36 at the time of his death. A court document released on Tuesday . revealed that members of Theta Chi fraternity have not been cooperating . fully with the investigation, with detective Michael Gebhart . saying that fraternity members have declined to . answer questions and provide requested information. The search warrant, obtained by the Fresno Bee, said that police are worried that Theta Chi may destroy or . discard evidence. They were suspended after the incident and were told . they were not allowed to comment to . The search warrant reveals what happened the night Philip died. After the fraternity pledges were . locked in a room and given several bottles of alcohol to drink, including vodka, tequila and whiskey, Theta . Chi executive board members told . pledges they were not required to drink. But, the search warrant said: 'Additional bottles were introduced as . the pledges passed around and finished each bottle. In addition, the pledges were informed they were not allowed to leave . the Chapter Room to join the other fraternity members in the house . until they drank all the alcohol.' Scene: He was drinking at the off-campus Theta Chi fraternity house when someone put him in the 'Sober Up' room - but returned to find him unconscious. He suffered severe brain damage . After about 20 minutes of drinking, . bonding and encouragement, when 'Dhanens became excited and began drinking . heavy and aggressively', the warrant states. Soon after he told members he was not . feeling well and passed out, when he was carried to the 'drunk room' to . sober up, during which time, other students  - called the Sober Brothers . - were supposed to be looking after him. Three hours later he was unconscious and not breathing and 911 was called. But there was nothing that could have saved him. After his death, the Fresno County Coroner's Office . reported Dhanens' blood-alcohol level was 0.36, four to five times the . legal limit to drive. Dhanens' mother told KFSN-TV she learned her son suffered severe brain damage hours after he attended a party at the fraternity house at the end of August. Loss: Dhanens was a freshman at Fresno State in California. The fraternity has now been suspended . Dhanens was a 2012 graduate of Garces . Memorial High School in Bakersfield where he was a 6-foot, 5-inch, . 325-pound defensive tackle for the school's football team. He and his girlfriend Zoe Tucker were prom king and queen in May, according to the school's online newspaper. 'Our . thoughts and prayers go out to the family and friends of Philip at this . incredibly sad time,' university President John Welty said.  'We are heartbroken at the loss of this young man who had just joined our university community and had a life of promise ahead.' Dhanens' death comes nearly seven years after a former Fresno State student was . found dead in a room at Phi Gamma Delta fraternity, also the victim of . alcohol poisoning. See below for video .
Philip Dhanens died after a hazing ritual at Theta Chi on August 31 turned tragic .
Coroner said .
the teen had swelling of the brain due to acute alcohol consumption .
Blood-alcohol level was 0.36 - five times the legal limit for driving .
Teens were given multiple bottles of vodka, tequila and whiskey .
By . Rachel Quigley . PUBLISHED: . 14:30 EST, 10 October 2012 . | . UPDATED: . 17:02 EST, 10 October 2012 . A college freshman died after leaders of his fraternity locked him and 15 others in a room as part of a hazing ritual, allegedly telling them they couldn't leave until all the bottles of alcohol were gone. More details have emerged about the events surrounding the death of 18-year-old Philip Dhanens, from Fresno, since an investigation was launched after the California State University party turned tragic. The 18-year-old had only been at college two weeks when he took part in a drinking binge at a off-campus fraternity house on August 31. He was pronounced dead two days later. Scroll down for video . Last year's prom king: Dhanens was a 2012 graduate of Garces Memorial High School in Bakersfield where he was a 6-foot, 5-inch, 325-pound defensive tackle for the school's football team . Tragic: Philip Dhanens, pictured with his girlfriend Zoe, has died after an apparent heavy night of drinking during a fraternity pledge event. He had been at university for just two weeks . The coroner said . Dhanens had swelling of the brain due to acute alcohol consumption and . his blood-alcohol level was 0.36 at the time of his death. A court document released on Tuesday . revealed that members of Theta Chi fraternity have not been cooperating . fully with the investigation, with detective Michael Gebhart . saying that fraternity members have declined to . answer questions and provide requested information. The search warrant, obtained by the Fresno Bee, said that police are worried that Theta Chi may destroy or . discard evidence. They were suspended after the incident and were told . they were not allowed to comment to . The search warrant reveals what happened the night Philip died. After the fraternity pledges were . locked in a room and given several bottles of alcohol to drink, including vodka, tequila and whiskey, Theta . Chi executive board members told . pledges they were not required to drink. But, the search warrant said: 'Additional bottles were introduced as . the pledges passed around and finished each bottle. In addition, the pledges were informed they were not allowed to leave . the Chapter Room to join the other fraternity members in the house . until they drank all the alcohol.' Scene: He was drinking at the off-campus Theta Chi fraternity house when someone put him in the 'Sober Up' room - but returned to find him unconscious. He suffered severe brain damage . After about 20 minutes of drinking, . bonding and encouragement, when 'Dhanens became excited and began drinking . heavy and aggressively', the warrant states. Soon after he told members he was not . feeling well and passed out, when he was carried to the 'drunk room' to . sober up, during which time, other students  - called the Sober Brothers . - were supposed to be looking after him. Three hours later he was unconscious and not breathing and 911 was called. But there was nothing that could have saved him. After his death, the Fresno County Coroner's Office . reported Dhanens' blood-alcohol level was 0.36, four to five times the . legal limit to drive. Dhanens' mother told KFSN-TV she learned her son suffered severe brain damage hours after he attended a party at the fraternity house at the end of August. Loss: Dhanens was a freshman at Fresno State in California. The fraternity has now been suspended . Dhanens was a 2012 graduate of Garces . Memorial High School in Bakersfield where he was a 6-foot, 5-inch, . 325-pound defensive tackle for the school's football team. He and his girlfriend Zoe Tucker were prom king and queen in May, according to the school's online newspaper. 'Our . thoughts and prayers go out to the family and friends of Philip at this . incredibly sad time,' university President John Welty said.  'We are heartbroken at the loss of this young man who had just joined our university community and had a life of promise ahead.' Dhanens' death comes nearly seven years after a former Fresno State student was . found dead in a room at Phi Gamma Delta fraternity, also the victim of . alcohol poisoning. See below for video .
others in a room as part of a hazing ritual, at a off-campus fraternity house on August 31. He . Dhanens had swelling of the brain due to acute alcohol consumption and . his blood-alcohol level in a room and given several bottles of alcohol to drink, including vodka, tequila and whiskey, off-campus Theta Chi fraternity house when blood-alcohol level was 0.36, four to five times the . legal limit to drive. Dhanens' mother