A male in his late teens is in a “critical but stable” condition following a single-vehicle crash in Co Tyrone on Saturday.
Police said that the incident happened on Saturday morning outside Omagh.
The man was taken to hospital by air ambulance following the crash.
A PSNI spokesperson said that they received a report of the incident, involving a black Volkswagen Golf on the Clanabogan Road, just before 7.10am.
“The driver, a man aged in his late teens, was taken to hospital by air ambulance for treatment to serious injuries. He remains in a critical, but stable, condition at this time,” a PSNI spokesperson said.
Police are appealing for anyone who may have witnessed the collision to contact them.
“We would be particularly keen to hear from anyone who may have dashcam footage,” the spokesperson added.