A 17-year-old boy has died after a two vehicle crash on the Clanabogan Road in Omagh, Co Tyrone.
He has been named as Ryan Mahoney, from Augher.
The teenager was a passenger in a black Audi when it was involved in a head-on collision with a white Mercedes.
The crash happened around 8.25pm on Sunday.
Three other people were taken to hospital along with the driver of the Mercedes. Their injuries are not thought to be life threatening.
Police said the Clanabogan Road has now reopened to traffic.