Lambton College shooting: Multiple arrests made, search for main suspect ongoing

Sarnia, Ont., police say a suspect they allege killed a “very well-liked” man at Lambton College last Friday was provoking confrontation at various bars earlier that night.
Det.-Sgt. Kent Jamieson told Global News on Monday that the suspect and three acquaintances got into an altercation with another group at a bar on campus, which then spilled outside before gunshots rang out.
Three men were shot. Dane Nisbet, 20, would later die in hospital.
“What I’ve learned about Dane is that he has an enormous but tight circle of friends. He is a young man who was well known in the hockey community, had an excellent reputation [and was] very well-liked among all community members that I’ve met that know him,” Jamieson said.
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“He had various career interests that he was just getting started on. Had an entire foreseeable, wonderful life ahead of him.”
At 12:52 a.m. last Friday, Sarnia police officers were called to the college bar for reports of the shooting.
Jamieson said four people – two men and two women – drove away from the scene in a Toyota Prius. One of the women was let out of the car, which made its way to London, Ont.
On Saturday, police executed search warrants at two London homes. Officers recovered the vehicle and arrested one suspect.
Oudom Bun, 23, of London, was charged with second-degree murder and two counts of attempted murder.
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Investigators say 24-year-old London resident Kyaw Doe is their prime suspect. At the time of the shooting, he was subject to a court order prohibiting him from possessing firearms.
Kyaw Doe is seen in these photos provided by Sarnia police.
Sarnia police/photo
He is wanted on charges of second-degree murder, two counts of attempted murder and possession of a firearm while prohibited. Investigators believe Doe, who they allege has ties to criminal networks in western and northern Ontario, has left the Sarnia area and is in hiding.
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Earlier in the night, he and the group he was with were at two other establishments.
“We believe that Doe was causing issues or creating confrontation at each of those establishments. However, we do not believe he had any prior contact with the involved victims,” Jamieson said.
“Even if they were at any of those bars earlier, this was not something that had boiled over from another location, but an event that began and ended at Lambton with respect to the confrontation between those four and the victims.”
To find Doe, officers executed search warrants at a home in Sarnia and at a hotel unit in nearby Point Edward on Sunday.
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During the search warrant, police arrested a woman who was one of two females with the suspects the night of the shooting.
When they raided the hotel unit, officers found what they believe was the weapon used in the shooting – a Glock 45 acquired outside Canada, Jamieson said. A man who was in the unit was also arrested.
Ava-Leigh Lightheart and Johnathan Osborne-Walsh, both 19, are each facing multiple charges, including being an accessory after the fact to murder.
There is “no evidence of any culpability” regarding the woman who was let out of the car, Jamieson said, adding that she is now a witness.
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Jamieson said every Ontario police force, as well as border agencies, has been alerted to be on the lookout for Doe.
“It’s in your best interest to contact a lawyer and make arrangements to surrender yourself immediately to police,” he said.
“You will be found, you will be arrested, and you will be brought to justice.”
Nisbet, a hockey player who laced up for teams like the North Middlesex Stars, Mooretown Flags, Sarnia Legionnaires and Lambton Jr. Sting Triple-A over the years, was a “tough and talented player whose passion for the game touched everyone lucky enough to know him.”
“Dane will be remembered for his kindness, determination, and always looking out for his teammates,” the Stars wrote in a post on Facebook.
“His legacy will live on in the hearts of his family, friends, and the entire hockey community.”
Meanwhile, Lambton College – which closed on Friday – said in a post on Facebook that it will begin a “phased return” on Monday.
“This phased approach is intended to give students and employees the opportunity to access supports and reconnect with each other,” the school said.
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“We recognize that this will not feel like a return to normal, and we will be approaching the end of Winter Term with flexibility and care in recognition of the needs of our student community.”
© 2026 Global News, a division of Corus Entertainment Inc.




