English Heritage says there have been a number of incidents of people illegally using metal detectors and taking artefacts from land at properties it owns in Wiltshire.
It's thought most are searching for Iron Age artefacts.
More top news
Doors have been smashed and thousands of pounds in cash, jewellery and camera equipment taken in a spate of burglaries in Farnham, Surrey.
The forecast for the east of the ITV Meridian region from Becky.
The forecast for the west of the region from Becky.