A LifeNet medical helicopter lands near Saint Margaret Mary School in Algonquin Friday evening | Photo: Keeton Ryza.

A woman was flown to the hospital by a medical helicopter after suffering life-threatening injuries in a t-bone crash near Algonquin on Friday.

The Algonquin-Lake in the Hills Fire Protection District responded around 6:58 p.m. Friday to Algonquin Road and Route 25, which is on the Algonquin and Barrington Hills border, for a multiple vehicle crash with injuries.

Algonquin-Lake in the Hills Fire Protection District Deputy Chief John Knebl said that firefighters arrived three minutes later and found a two-vehicle, t-bone style crash.

A woman was trapped inside one of the vehicles and fire crews used extrication equipment to free the woman.

Knebl said that the woman was stabilized and transported to the soccer field directly behind Saint Margaret Mary School in Algonquin where a LifeNet medical helicopter landed.

The woman was then flown with life-threatening injuries to Advocate Condell Medical Center in Libertyville, which is a Level 1 trauma center. Her current condition is unknown, Knebl said.

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A second injured person was transported by ambulance to Northwestern Medicine Huntley Hospital with minor injuries.

The Algonquin-Lake in the Hills Fire Protection District was assisted by the Huntley Fire Protection District and Crystal Lake Fire Rescue Department, Knebl said.