Officers are keen to speak to anyone who has not already contacted police about the offence, which led to reward offers totalling up to £30,000.
Increasing the frequency of spreading his cattle manure led west Wales beef and sheep farmer Wyn Jones to upgrade his manure spreader to leave ...
Details of a Crimestoppers reward were announced hours after the Sikh Federation UK offered £10,000 for information leading to convictions.
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