New York ( CNN ) -- Police are investigating the death of a New York City college student after he was injured during a fraternity ritual on a trip to the Poconos , authorities said Wednesday . Chun `` Michael '' Deng , 19 , a freshman at Baruch College , was brought to a Pennsylvania hospital by his friends early Sunday morning , authorities said . Deng was unresponsive and in critical condition upon arrival at the hospital . Physicians determined Deng had suffered major brain trauma and was placed on life support , according to a news release from the Monroe County , Pennsylvania , District Attorney 's Office . The prosecutor 's office identified the victim as Chen ; the college gave his first name as Chun . Authorities learned that more than 30 members of the fraternity Pi Delta Psi had traveled to the Pocono Mountains , roughly 90 miles away from New York City , for the weekend . In the early morning hours , Deng , one of four pledges to the fraternity , was injured `` while partaking in a ritual '' in the yard of the residence where they were staying , according to the release . Authorities did not say what the fraternity ritual entailed . In a statement Wednesday , Baruch College said preliminary reports indicate Deng died while participating in an unsanctioned fraternity pledging event that the college had no knowledge of . Baruch College has a `` zero tolerance policy regarding hazing , '' according to the statement . Deng 's death is a `` deeply painful reminder that no individual should ever be put into a position where his or her personal safety is in jeopardy , '' the statement said . Along with its own internal review , Baruch is cooperating with law enforcement , the statement said . After Deng suffered the traumatic head injury , he was brought inside the residence and was unresponsive . Members of the fraternity later drove him to the emergency room , according to the district attorney 's office . Deng died of his injuries Monday morning . An investigation is continuing , according to authorities . CNN 's calls to Pi Delta Psi Fraternity , Inc. , for comment were not immediately returned .
Baruch College freshman arrived at hospital after suffering major brain trauma . Victim among fraternity members who traveled to the Poconos from New York City for weekend . Authorities say student was injured while participating in fraternity ritual .