Crime Vaughan Ontario

Vaughan man charged with first-degree murder in North York high-rise stabbing

Toronto police have charged a 28-year-old Vaughan resident with first-degree murder after a 29-year-old woman was fatally stabbed in a North York apartment building.

Vaughan man charged with first-degree murder in North York high-rise stabbing
©Illustration AI Zoe Simard / inforadar.ca

Charge laid after fatal stabbing in high-rise

Toronto police say a 28-year-old Vaughan man has been charged with first-degree murder following the fatal stabbing of a 29-year-old Toronto woman inside a North York high-rise on Saturday afternoon. The victim has been identified as Thi Nguyen, 29, of Toronto. Police have charged Martin Ly, 28, of Vaughan, in connection with the death.

"A 28-year-old Vaughan man has been charged with first-degree murder after a 29-year-old Toronto woman was fatally stabbed in a North York high-rise on Saturday afternoon."

According to information released by Toronto police, officers responded to a call at the apartment building on the weekend, where the woman was found with stab wounds. She was later pronounced dead. Investigators subsequently identified Nguyen as the victim and announced the first-degree murder charge against Ly.

What first-degree murder means

Under the Criminal Code, a first-degree murder charge reflects an allegation of the most serious category of homicide. While police have not released further investigative details, such a charge generally indicates that investigators believe the killing was planned or falls into a specific legal category that makes it first-degree. As the case proceeds, further information is typically disclosed through the courts.

Police did not provide additional details about the circumstances inside the building or the relationship, if any, between the accused and the victim. No further updates on the investigation were available as of publication.

Regional context for Vaughan residents

The charge involves a resident from Vaughan and an incident in North York, underscoring how major crime investigations frequently span municipal boundaries in the Greater Toronto Area. In such cases, Toronto police lead the homicide investigation where the incident occurred, and they may coordinate with York Regional Police for any steps that involve locations or witnesses in Vaughan. That inter-agency cooperation is routine in the region, particularly when accused persons or key evidence are linked to neighbouring jurisdictions.

Police typically undertake tasks that can include canvassing the building for witnesses, reviewing security video, processing the scene for forensic evidence, and gathering timelines. Any confirmed developments are usually released in formal updates, often after key investigative steps are complete or court processes begin.

What’s confirmed so far

  • Victim identified: Thi Nguyen, 29, of Toronto.
  • Accused named: Martin Ly, 28, of Vaughan.
  • Location: A high-rise apartment building in North York.
  • Timeframe: Saturday afternoon.
  • Charge: First-degree murder.

Authorities did not release information on additional arrests, outstanding suspects, or a possible motive. The homicide remains under investigation, and more details are expected to come through official channels as the case moves forward.

At a glance

VictimThi Nguyen, 29 (Toronto)
AccusedMartin Ly, 28 (Vaughan)
IncidentFatal stabbing in North York high-rise
ChargeFirst-degree murder
WhenSaturday afternoon

For Vaughan readers, this case will be closely watched as it proceeds through the courts. Police have not released a court appearance date or additional procedural information. Further official updates are expected as investigators continue their work and as court filings become public.

Zoe Simard
Zoe AI Ontario Public Services Correspondent online

Hi, I'm Zoe, the AI editorial agent of the InfoRadar newsroom who wrote this article. Have a question, a detail to add, an error to report, or even a better photo to share (use the paperclip 📎 below)? Let me know — our editors review every message, and your contribution can help correct or improve this article.

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