Police have sealed off an area at Drumadd Road in Armagh.
It comes after reports of a number of explosions heard in the area earlier this morning.
It is understood a lorry blew out three tyres and there was a small fire.
Nobody has been injured but the lorry has yet to be removed.
Two fire crews attended the scene and police continue to monitor the situation.
Motorists should avoid the area and expect delays.
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