East Sussex Fire and Rescue Service are treating a fire at a derelict industrial building in Hove as deliberate.
The Service was called at 19.18 on 14 June 2019.
At the height of the incident, four fire engines were at the scene on School Road. Crews used breathing apparatus and main jets.
As of 20.30, three fire engines remain but the fire is now believed to be out.
There are no reports of injuries.