The Scarva Road in Banbridge remains closed as Northern Ireland Fire Service personnel deal with a blaze.
The fire at a shed early this morning remains an ongoing incident.
The road is closed between Peggy’s Loaning and Grove Meadows.
Police said she shed is located at the rear of a property and contains acetylene cylinders.
Local residents have been evacacuated as a precaution.
Motorists are advised to seek an alternative route and avoid the area.
A PSNI spokesperson said: “Northern Ireland Fire Service have advised that the road will be closed for several hours so that they can monitor the fire.”