A driving lesson in Illinois took a terrible turn when a 61-year-old woman was killed while teaching a man how to drive a minivan.

The tragic incident took place when the woman was teaching the 61-year-old man to drive a Toyota Sienna minivan around 7:15 p.m. in the back of a church parking lot in Chicago's Cook County.

The woman was standing outside the minivan to provide directions to the man when he accidentally pressed the accelerator instead of the brake and ran over her, dragging her underneath the vehicle, according to WGN-TV.

"He pressed the accelerator in reverse instead of the brake," the Chicago police said, as per CBS News.

As the driver accelerated, the woman got dragged by the car.

After the police arrived at the scene, the woman was taken to the St. Francis Hospital, where she was pronounced dead shortly after.

There was a second victim in the backseat of the minivan, who also suffered injuries. The back door was open when the driver accelerated the minivan, which led to the passenger falling out of the vehicle, ABC Chicago reported. The passenger received treatment for non-life-threatening injuries.

The identities of the people involved in the incident were not released by the police.

While no charges have been filed in the incident, the Chicago Police Department issued the driver a citation for driving without a driver's license.

Authorities did not provide further information on the incident. An investigation was launched into the matter.

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