FIREFIGHTERS were called to a suspected arson attack at an electrical substation in Newport last night.

A South Wales Fire and Rescue Service spokeswoman said calls were received at 7.21pm reporting smoke visible in the area off Orb Drive, Lliswerry.

On arrival, firefighters discovered the electrical substation on fire at Guillians Business Centre.

The spokeswoman said the ignition of the fire is believed to be deliberate.