Arrest follows fatal downtown stabbing
Hamilton police have charged a 26-year-old city resident with second-degree murder after a 21-year-old man died from stab wounds following a confrontation outside a downtown billiards hall.
Officers were dispatched at about 2:27 p.m. on Aug. 9 to the area of Main Street West and Frid Street after a taxi driver reported a stabbing. Emergency crews located the victim, later identified as 21-year-old Zenin Roussel, suffering from stab wounds. He was taken to hospital where he later died.
Ties to King Street Billiards
Investigators determined the victim and the accused, 26-year-old Kyle Dumont-McArthur of Hamilton, had both been at King Street Billiards before the incident. Police say a verbal altercation occurred outside the establishment after it closed. The two men left separately but crossed paths again about 10 minutes later near Main Street West and Frid Street, where the stabbing occurred.
Arrest and court appearance
Dumont-McArthur was arrested without incident on Aug. 11. He made his first court appearance on Aug. 12 and is charged with second-degree murder. Police said four people witnessed the incident; all have been identified and interviewed so far.
Investigators continue to appeal for information and are asking anyone with relevant video footage to contact police at 905-546-4123.
What police are asking from the public
Detectives have appealed for anyone with information, including cellphone video or dash-cam footage from the area, to come forward. Authorities said the witnesses who were identified have been interviewed, but investigators continue to seek any additional evidence that could clarify what led to the confrontation.
- Date of incident: Aug. 9, 2026 — police called at about 2:27 p.m.
- Location: Main Street West and Frid Street, near King Street Billiards
- Victim: 21-year-old Zenin Roussel (died of stab wounds)
- Accused: 26-year-old Kyle Dumont-McArthur — charged with second-degree murder
Timeline
| Time/Date | Event |
|---|---|
| Aug. 9, ~2:27 p.m. | Police dispatched after taxi driver reports stabbing; victim located and transported to hospital |
| Aug. 11 | Dumont-McArthur arrested without incident |
| Aug. 12 | First court appearance on second-degree murder charge |
This case has added to a string of serious incidents in the area that have residents and business owners watching closely. King Street is a busy corridor that bridges Hamilton’s downtown core with longstanding neighbourhoods; an incident of this nature has raised concerns about late-night safety and the need for clear accounts from witnesses.
Police investigators reiterated they have not yet determined what sparked the confrontation between the two men. Anyone with photos, video or information that could assist the investigation is asked to contact Hamilton Police at 905-546-4123.
As the matter proceeds through the courts, formal disclosure and further police updates will determine whether additional charges, witnesses or evidence are presented. The charge of second-degree murder carries significant penalties if proven in court; meanwhile the investigation remains active.
