After reports that a stink bomb was found in a ballot box, Kent Police confirmed they are investigating.
A spokeswoman said two vials containing an unknown liquid were found in the Beacon Hill in Herne Bay.
Tests will be carried out on the substance.
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Becky Mantin has Thursday's weather forecast for the west of the region.
Becky Mantin has today's forecast for the east of the region.
Doors have been smashed and thousands of pounds in cash, jewellery and camera equipment taken in a spate of burglaries in Farnham, Surrey.