Two Florida teens were killed and another was critically injured when authorities say their car ran a red light and collided with another car.

18-year-old Pepe Salgado and his sister, 15-year-old Frinzi Salgado-Diaz, died following the Thursday afternoon crash just south of Plant City.

Florida Highway Patrol says the siblings' cousin, 18-year-old Edilberto Nava-Marcos, was making a left turn when he crashed into an oncoming car. He was taken to a Lakeland hospital in critical condition.

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Two adults in the other vehicle escaped injury, and two children sustained minor injuries.

Salgado-Diaz was a 9th grader at Mulberry High School. Salgado was a student at New Beginnings High School and was a former Mulberry Middle and High School student.

The three were headed to Nava-Marcos graduation ceremony at Mulberry High School when the crash occurred.

No charges for immediately reported.