COLUMBIA COUNTY, Fla. – An unmarked Florida Highway Patrol SUV was rear-ended Friday morning at a Columbia County intersection, sending three people to the hospital — two of them by helicopter.

The crash happened around 11:23 a.m. on US-90 at Southeast Baya Drive, according to an FHP press release.

Troopers say the unmarked FHP SUV was stopped at a red light in the left lane, eastbound on US-90, when a maroon Nissan sedan approached from behind in the same lane and struck the rear of the patrol vehicle.

The driver of the Nissan, an 84-year-old man from Marianna, and a front-right passenger — an 89-year-old woman, also from Marianna — both sustained serious injuries. The two were airlifted to UF Health in Gainesville for medical treatment.

The driver of the FHP SUV, a 47-year-old man from Lake City, sustained minor injuries and was transported to a hospital in Lake City for treatment.

The crash remains under investigation.