Original sentence: Her campaign was subsequently investigated by the police for a potential breach of electoral law, but the probe was dropped in 2016 due to "insufficient evidence".She first stood for the post in 2002 as a member of the Conservative Party, though she later joined the Mansfield Independent Forum and was elected as a councillor in 2011.She succeeded Tony Egginton as mayor after beating the Labour party candidate in the 2015 Mayoral election
Edited sentence: Her campaign was subsequently investigated by the police for a potential breach of electoral law.She first stood for the post in 2002 as a member of the Conservative Party though she later joined the Mansfield Independent Forum and was elected as a councillor in 2011  she succeeded Tony Egginton as mayor after beating the Labour party candidate in the 2015 Mayoral election