UPDATE: 9.40PM

A spokeswoman for South Wales Fire and Rescue has confirmed the fire has been extinguished.

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FIREFIGHTERS are battling a blaze at a derelict factory in Blaenau Gwent.

Crews from Ebbw Vale, Tredegar, Brynmawr and Rhymney are currently at the scene at Holland Street in Ebbw Vale.

A spokeswoman for South Wales Fire and Rescue Service said four floors of the building were on fire and the first floor was "well alight".

All four floors are filled with smoke and firefighters are currently using five main jets, two breathing apparatus and a 10.5 metre ladder to search the building.