Four members of a San Diego State fraternity allegedly gave a pledge third-degree burns as part of a hazing ritual that left the young man in the hospital for weeks.

Four members of San Diego State University (SDSU)’s Phi Kappa Psi fraternity have pleaded not guilty to criminal charges relating to a stunt that allegedly involved deliberately setting one of its new members, known as a pledge, on fire, causing him to suffer third-degree burns.

Four members of a San Diego State University fraternity have been charged after a 19-year-old pledge for their house was set on fire during a party, the District Attorney’s Office said. The members of Phi Kappa Psi were charged with at least one felony each,

The president and three members of a San Diego State University fraternity were slapped with charges after one of them was intentionally set on fire during a pre-planned skit at a party last year, California prosecutors said.