Three people have been taken to hospital after a serious two-vehicle collision near Ballymena.
The incident happened on the A26 Crankill Road just before 6.45pm on Friday.
A Northern Ireland Ambulance Service spokesperson said: “NIAS dispatched two rapid response paramedics, four emergency crews and one ambulance officer to the scene.
“The charity air ambulance was also dispatched to the incident with a HEMS team on board. Following initial treatment at the scene, three people were taken to Belfast Royal Victoria Hospital. Two were taken by land ambulance and one by air.”
The A26 has been closed at the M2 Junction 12 just outside Ballymena.
A PSNI spokesperson said: “Police are advising motorists to avoid the Crankill Road, Ballymena, this evening following a serious two vehicle road traffic collision.
“Motorists should seek alternative main routes for their journey.”
It was the second major incident on the A26 in a number of days.
There had been a major fire at a builders yard on Sunday.