Firefighters were called to a large fire at a shed on the Lislaban Road, Cloughmills on Thursday evening.
Firefighters wearing breathing apparatus worked through the night, using jets and an aerial appliance to extinguish the fire.
A NIFRS spokesperson said "At the height of the incident there were 9 Fire Appliances in attendance- 2 from Ballymena, 2 from Ballymoney, 2 from Kilrea, 2 from Knock and 1 from Dungiven."
The incident was dealt with by 9.08am this and the cause of the fire is believed to be accidental ignition.
