Peel Regional Police say they were called to the Mississauga Grand Banquet and Event Center at 35 Brunel Street in the area of Britannia Road and Hurontario Street at 2:25 a.m. for a knife.
They found one victim who was pronounced dead at the scene, while the second was rushed to the hospital’s trauma center for treatment.
The suspects involved in the incident fled before police arrived.
A police command center mobile vehicle was seen in the banquet hall parking lot as officers gathered evidence.