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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Monday night's weather for the east of the region
Monday night's weather for the west of the region
Three drug dealers have been sentenced to a total of 23 years after admitting they were key players in a multi-million pound drugs ring.