A major incident is underway on the Killyea Road, on the outskirts of Armagh.
A bus has caught fire a short time ago.
Emergency services are en route.
It has happened a few hundred yards from the Ballyhoy Road turn in.
Eyewitnesses are suggesting that a tyre on the bus has blown out.
The bus is well alight and thick plumes of smoke can be seen for miles.
Motorists should avoid the area.
The road is expected to closed for a period of time while the fire is dealt with.
There are no further details at this stage.