Thunder Bay Police Service officers with the Uniform Patrol Branch were dispatched to a residential address in the area of Cameron and Simpson Streets following reports of multiple shots fired just before 10:30 p.m. on Sunday, Jan. 30.
Suspects were not located in the area when police arrived.
Further investigation revealed an incident involving a firearm had occurred in the 100 block of Bethune Street.
Police remain in the area and continue to maintain a scene.
Members of the Major Crimes Unit and Forensic Identification Unit are now involved in the ongoing investigation.
No known injuries have been reported as a result of this incident.
If you have any information that could assist investigators, or have surveillance or dash camera footage from this area between the hours of 9:30 p.m. and 11 p.m. on Sunday, Jan. 30, please call police at 684-1200 and cite incident number P22023953.
Tips can be submitted anonymously through Crime Stoppers at 1-800-222-8477, online at www.p3tips.com.