Humberside Police are appealing for witnesses after a suspected arson in Cleethorpes.
A plastic drainpipe at the side of a building on Park Street was set alight on January 8 which melted.
In turn, this set to fire to a lawnmower cover and garden furniture.
Firefighters quickly extinguished the blaze and no-one was hurt.
A police spokesperson said: “A man has been arrested and released under investigation.
“This was an isolated incident. We are appealing for anyone with information or who witnessed this to call 101 quoting reference 16/12345/18.”