The bomb squad has been called out to the seafront at Old Colwyn.
The army's ordnance disposal experts and police are at the promenade.
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A55 closed
The A55 has been closed following the detonation.
The road is closed in both directions between J23 A547 Abergele Road (Llanddulas) and J22 (Old Colwyn).
Controlled explosion has been carried out
The Explosive Ordnance Disposal team have just carried out a controlled explosion.
Police say unexploded ordinance has been found on the beach.
There is a cordon currently in place.
Bomb squad at Old Colwyn
The bomb squad is in attendance to the seafront at Old Colwyn.
The army’s ordnance disposal experts and police are currently at the promenade.
We will bring all the latest on this incident as we get it.
