STROUDSBURG, Pa. (AP) — Four men facing the most serious charges in a brutal fraternity hazing ritual that resulted in the 2013 death of a New York City college student pleaded guilty Monday to voluntary manslaughter.

Fraternity members at Pi Delta Psi admitted they physically abused Chun "Michael" Deng, a Baruch College student, then tried to cover it up as the 19-year-old lay dying in their rented house in Pennsylvania's Pocono Mountains, about 100 miles west of New York.

Defense attorneys had called Deng's death a fraternity prank gone horribly awry.

The four defendants, Kenny Kwan, Charles...