LaSalle police have confirmed that they are investigating a homicide.
Few details have been released, but officers responded to Todd Lane near Canada Street at around 9:30 p.m. on Tuesday.
A 45-year-old woman was found with serious stab wounds.
She was rushed to hospital where she later passed away from her injuries.
The victim has not been publicly identified as police are working to notify loved ones.
A heavy police presence remains in the area.
Anyone with information about this incident, or security camera footage to share, should call Detective Sergeant Jamie Nestor at (519) 969-5210 extension 2531.
Anonymous tips may be submitted to Crime Stoppers at (519) 258-TIPS (8477).