The man and woman who were shot were at the Fifth Quarter bar were pronounced dead tonight at OSF St. Francis Medical Center.
Their identities, and the identity of the shooter, is expected to be released on Sunday.
Police believe it is a domestic situation. They say the shooter was divorced from the woman, who was in the bar with a possible boyfriend.
The suspect was shot by an off-duty law enforcement officer who was in the bar at the time.
Police responded to calls of a shooting at the Fifth Quarter bar across from the Paradice Casino in East Peoria.
Police, fire personnel, and paramedics were on the scene of the shooting that happened just before 8:00 P.M.