A fatal head-on collision on Boulevard des Allumettières in Gatineau’s Aylmer sector has left two people dead and another critically injured. The crash prompted a major emergency response and an ongoing investigation by the Gatineau Police Service.

The collision occurred shortly after midnight on September 4, 2026, along Boulevard des Allumettières between Chemin Vanier and Boulevard des Grives. Two vehicles were involved, with three people aboard the vehicles when the crash occurred.

Gatineau police officers, Outaouais paramedics and firefighters responded to the scene following the collision. All three people involved were transported to hospital for medical treatment.

Despite emergency efforts, the two drivers later died from their injuries at the hospital. The third person, a passenger in one of the vehicles, remained in critical condition, according to the reported information.

The serious crash also resulted in significant road closures throughout the area. Boulevard des Allumettières was closed in both directions between Chemin Vanier and Boulevard des Grives while police investigators and forensic identification technicians examined the scene.

Chemin Vanier was also temporarily closed between Boulevard des Allumettières and Rue De Seto as authorities continued their investigation. The closures affected motorists traveling through Aylmer and contributed to traffic delays as drivers searched for alternate routes.

Police have not publicly released the identities of the two people who died. Authorities are withholding their names while notifications and other considerations involving their families are addressed.

The circumstances surrounding the collision remain under investigation. Investigators have not established publicly what caused the two vehicles to collide head-on, and no definitive explanation should be assumed until authorities complete their work.

For the families of those involved, the incident represents a devastating loss. Two people have died following the crash, while another person remains critically injured and receiving medical care.

The collision also affected the wider Gatineau community because of the extensive roadway closures and emergency response. Boulevard des Allumettières is an important route through the Aylmer sector, meaning the shutdown created challenges for motorists during the early morning hours.

Authorities are expected to provide additional information as the investigation progresses and verified details become available. Until then, questions surrounding the cause of the crash and the identities of those involved remain unanswered.

The fatal Allumettières collision is a tragic reminder of how quickly a journey can turn into a devastating event. As investigators work to establish what happened, thoughts remain with the families and loved ones affected by the loss and with the critically injured passenger awaiting recovery.