FIREBUGS set fire to some rubbish inside the old Fire Station, Union Road, Oswaldtwistle.
Retained firefighters from Accrington and Great Harwood spent 20 minutes tackling the blaze.
The dilapidated station has become a haunt for local youths and firefighters believe they could have started the fire.
The retained crew from Accrington also attended a rubbish fire at Moorfield Industrial Estate, Altham. They spent about 20 minutes tackling it.