Sussex Police says that a fire which seriously damaged four buildings on Uckfield High Street was started deliberately.
It's understood that the blaze was started around 11pm in a bin behind the Sense Charity Shop.
Officers are appealing for anyone with information about who might have started the fire to come forward.
Moving pictures courtesy of Chris Lawson/Uckfield FM.
A massive fire that spread rapidly along a Sussex High Street, destroying five businesses, is being treated as arson.
Firefighters are investigating the cause of a blaze which seriously damaged four buildings on Uckfield High Street in East Sussex.