FULLERTON (KTLA) -- Police are searching for suspects in connection with a fight outside a fraternity house near Cal State Fullerton that left two others injured.

Police say the victims were outside the Phi Sigma Kappa fraternity house around 1:40 a.m. when they were approached by a group of men.

Witnesses say an argument between the 2 groups erupted in a physical confrontation.

At some point, one of the men pulled a knife.

Both victims were stabbed in the back.

Police say one of the victims is a member of the fraternity, the other is an alumnus.

Its possible the suspects were trying to get into the party.

Anyone with information is asked to call the Fullerton Police Department at 714-738-6715.