UPDATE: 2.58pm

Crews have now left the scene but a re-inspection of the site is due to take place later today.

UPDATE: 11.23am

Two crews from New Inn are still at the scene checking for hot spots. The fire was at Beeches nursing home which was derelict.

UPDATE: 6.58am

A South Wales Fire and Rescue Service spokeswoman said the fire was in a derelict care home. She said crews fought the fire for three hours and currently remain at scene.

UPDATE: 6.21am

FIREFIGHTERS were called to a fire in a derelict building in Blaenavon this morning.

Crews from Blaenavon and Abersychan were called at 12.16am to a three storey building on Church Road. The fire was on the ground floor.

A South Wales Fire and Rescue Service spokeswoman said enquiries are ongoing to determine the cause of the fire.

The fire was out by 3.12am.