The Phi Kappa Psi members and pledges are accused of setting a pledge on fire as part of a skit during a party last year

Four San Diego State University fraternity members pleaded not guilty Monday to criminal charges stemming from a skit that allegedly involved intentionally setting one of the defendants on fire, causing him to suffer third-degree burns.

Four members of a fraternity at San Diego State University face felony charges for allegedly giving a pledge third-degree burns as part of a hazing ritual that left the young man in the hospital for weeks,