File Photo – Round Lake Police Department | Photo: Craig / Captured News

A driver died in the hospital after authorities say he lost control of his car and crashed into a guardrail where he was found unconscious in Round Lake.

The Greater Round Lake Fire Protection District and Round Lake Police Department responded around 11:40 a.m. on September 6 to Cedar Lake Road and Hart Road in Round Lake for a vehicle crash with injuries.

Round Lake Police Chief David Prus said the single-vehicle crash occurred in the intersection.

A Chevrolet Cruze was driving eastbound on Hart Road and proceeded through the intersection at Cedar Lake Road.

The driver failed to stop and collided into the guardrail on the east side of the roadway, Prus said.

Officers arrived and found the driver, who was the sole occupant of the Chevrolet, unconscious.

Paramedics transported him to Advocate Condell Medical Center in Libertyville for treatment.

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The Lake County Coroner’s Office said the driver, a 70-year-old man, died in the intensive care unit on Friday, nearly two weeks after the incident.

Prus said there were no signs of impairment at the scene from the driver and no other vehicles were involved.

It appeared the driver suffered a medical event that caused him to lose control of the car, Prus said.

The coroner’s office has not released the identity of the victim yet or said what is believed to be his cause of death.