PITTSBURGH -- Officials released more details about the death of a University of Pittsburgh student.

Officials said Leland E. "Leef" Holly IV, 23, of Wexford, fell down a flight of steps Friday night, during a birthday party in Greenfield.

He was put on a couch by his friends, who continued to celebrate.

They did not realize he was dead until Saturday afternoon.

The Allegheny County Medical Examiner's Office ruled the student died from blunt force trauma to the head.

Toxicology tests are pending.