More than £10,000 worth of damage has been caused following an arson attack at St Germans.
A vintage tractor was destroyed in the fire, along with other agricultural machinery and tools after a wooden shed was set alight, sometime between 6:30pm – 7:30pm on Monday.
The shed was at the bottom of the Leonard Towler playing fields on Mill Road.
Officers would like to hear from anyone who may have seen suspicious activity in the area at the time, particularly regarding three people who were seen walking towards the location, at around 5:50pm that evening.
Anyone with information is asked to contact PC Ryan Turner at Downham Market Police station on 101, quoting crime number 36/11682/21.
Alternatively contact Crimestoppers anonymously on 0800 555111.