A woman was taken to Antrim Area Hospital “in a serious condition” after a serious road traffic collision on the Lisnevenagh Road between Ballymena and Antrim this morning.
A PSNI spokesman said the collision happened close to the roads junction with Woodgreen Road.
A spokesman from the Northern Ireland Ambulance Service said they received a call at 9.41am and an A&E crew and rapid response paramedic team were sent to the scene.
He said one casualty was taken to Antrim Area Hospital.
Police have issued an appeal for anyone with information about the collision to contact them.
They have asked anyone who was on that stretch of road close to the Woodgreen Road junction between 9.30am and 10am and witnessed the collision to contact them on the non-emergency number 101.
The road remains closed and diversions are in place.