Warehouse fire 'was arson'

Firefighters are investigating the fire

A massive warehouse fire on Teesside, which was tackled by more than 40 firefighters, is being treated as suspicious.

It broke out on Portrack Lane, in Stockton, 1500 BST on Sunday, at the premises of Ultralux ltd, Portrack Workshops, and Florist Supply and Display.

At its height, smoke could be seen billowing 150ft into the air and was tackled by crews from eight fire engines.

There were no casualties.

Police are appealing for witnesses who may have seen something suspicious in the area to get in touch with them.