Four people have died and five are in hospital following two separate crashes in Co Tyrone on Monday.
Three people are confirmed to have died following a road traffic collision outside Cookstown.
Meanwhile, a woman in her 40s has passed away after a separate crash on the M1 where a vehicle left the motorway near a junction.
Four children and a woman in her 20s remain in hospital after the Cookstown incident.
The PSNI confirmed in a statement that the drivers of both vehicles in the Cookstown crash, a woman in her 80s and a man in his 20s, have both since died.
A woman in her 50s, who was a passenger in one of the vehicles, has also died.
In the M1 incident, a blue Mercedes left the east-bound carriageway of the motorway near Stangmore just before 1:30pm.
A woman was taken to hospital from the scene, however she passed away as a result of her injuries.
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