Toronto police investigate suspicious Sept. 8 fire at 36 Boustead Ave. that injured four

Toronto police investigate suspicious Sept. 8 fire at 36 Boustead Ave. that injured four Toronto police are investigating a suspicious Sept. 8 fire at 36 Boustead Ave. that sent four people to hospital, including a youth rushed to a burn centre. The Office of the Fire Marshal is working with police on the investigation. Toronto police say a fire at a west-end home that sent four people to hospital last month is now being investigated as suspicious. The blaze broke out on Sept. 8, just after 3 a.m., at a house at 36 Boustead Ave. in the High Park-Swansea neighbourhood near Dundas Street West and Bloor Street West. Paramedics said at the time that a youth was rushed to a burn centre with unspecified injuries. The other three victims, an adult and two children, were transported to a local hospital with minor smoke inhalation. Toronto Fire Chief Jim Jessop later told CP24 that the fire involved a lithium-ion battery. For at least three days this week, several vehicles belonging to Toronto Police Service, including those from Forensic Identification Services, were spotted outside the residence.Office Of The Fire Marshal Investigates Suspicious FireThe Office of the Fire Marshal was also observed there. I can confirm that this fire is being investigated as suspicious alongside the OFM, TPS Const. Viktor Sarudi told CP24 on Wednesday. Sarudi said the fire was being investigated by the fire marshal, which led to a further investigation by Toronto police.We are on scene currently for a police operation; however, I cannot disclose those details, the media officer wrote in an email. Investigators previously said they can't speak to the details but are on scene as part of a police investigation. The OFM has confirmed that it has been involved in the investigation to determine the origin and cause of the fire, working collaboratively with Toronto Police.Given that Toronto Police Service is leading the ongoing police investigation, any further inquiries regarding the circumstances of the incident, its suspicious nature, or current police activities at the scene would be best directed to their Media Relations Unit, Jim Demetriou, of the Office of the Fire Marshal, told CP24. We will continue to support our investigative partners as required, Demetriou said. Toronto Fire Service was also seen outside the two-storey, red brick house on Wednesday.Police Investigate Chemical Incident At West End HomeA spokesperson told CP24 that they responded to a medical call at that address at around 1:15 p.m. As there is an ongoing investigation, I do not have any further details, they said. A TPS media officer confirmed to CTV News Toronto that there was a chemical incident at that address, but this was not serious. It was a member of the OFM office who was there as a part of the investigation.The injuries are minor and were accidental in nature, they said. A TPS Forensic Identification Services vehicle is seen outside 36 Boustead Ave. on Oct. 27. A fire at that address on Sept. 8 sent four people to the hospital. With files from CTV News Toronto's Chris Fox