Fire crews from Armagh attended when a blaze broke out at commercial premises on the Tamnamore Road in Dungannon yesterday (Tuesday).
Together with their colleagues from Dungannon, they used hosereel jets and a covering jet to extinguish a fire on the premises, which was being used to process straw for bedding.
The call to NI Fire and Rescue Service was received at 4pm yesterday.
There was a large amount of smoke produced and four employees were given oxygen treatment by NIFRS personnel.
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