A car drove off the roadway and struck a tree, causing a fire and leaving three people dead Sunday morning at Route 132 and Greenleaf Street in Gurnee. | Photo: Joe Shuman/J. Shuman Photography (2022)

The coroner’s office said they are still working to positively identify the three people killed after their car drove off the roadway into a tree and became engulfed in flames in Gurnee.

The Gurnee Police Department and Gurnee Fire Department responded around 2:15 a.m. Sunday to Route 132 and North Greenleaf Street.

It was initially reported as a vehicle on fire but the fire was later determined to have been the result of a crash.

Officers arrived and noticed large flames coming from the tree line along Grand Avenue near North Greenleaf St, according to the Gurnee Police Department.

Responding officers discovered a Jeep SUV on fire and the fire department extinguished the fire.

Officers learned three people were inside the vehicle and all were dead, police said.

A car drove off the roadway and struck a tree, causing a fire and leaving three people dead, Sunday morning at Route 132 and Greenleaf Street in Gurnee. | Photo: Joe Shuman/J. Shuman Photography (2022)

Officers were unable to identify the people inside at the time.

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The Lake County Coroner’s Office said Monday that they completed autopsies on the three victims.

Autopsy results indicate all three died from blunt force injuries as a result of the crash.

Investigators with the Lake County Major Crash Assistance Team (MCAT) responded to the scene and aided with the crash investigation.

Grand Avenue between First Street and Greenleaf Street was closed in both directions during the investigation.

The coroner’s office said positive identification of the three victims is still pending and will be released in the coming days.

The cause of the crash remains under investigation by MCAT and the Gurnee Police Department.