Three adults have been killed and a woman and four children injured in a collision involving two cars in Co Tyrone.
The incident happened shortly before 3.30pm yesterday afternoon on the road between Cookstown and Dungannon.
It is understood that two vehicles were involved in a head-on collision.
Two of the adults who died were travelling in one of the vehicles with four children.
The third adult who died was in the second vehicle.
The Northern Ireland Ambulance Service said it deployed two rapid response teams and several emergency crews after receiving a 999 call at 3.29pm.
In a statement it said that after assessment and initial treatment at the scene, four patients were taken to the Royal Belfast Hospital for Sick Children.
A woman was also taken by ambulance to the Royal Victoria Hospital. It is understood she suffered non-life threatening injuries.
A large section of the Dungannon Road has been closed and the PSNI said it is likely to remain closed for some time.
Police forensic officers were at the scene yesterday evening trying to establish what happened.
