Boston: Brian Rush, who was elected for the UK Independence Party in Staniland ward, has left the party group to sit as an unaligned councillor during his Mayoral year.
Thanet: Peter Evans, who was elected for the UK Independence Party in Salmestone ward, has joined the Conservative Party. As a result the UK Independence Party no longer have an overall majority.
New vacancies
Middlesbrough: Park End and Breckfield ward, after the death of Independent councillor Peter Cox. Term ends 2019.
Rutland: Ketton ward, after the resignation of Conservative councillor Diana MacDuff. Term ends 2019.
Swale: Milton Regis ward, after the death of UK Independence Party councillor Katy coleman. Term ends 2019.
Conwy: Following the election of Plaid Cymru’s leader Gareth Jones as council leader, discussions on a coalition have been held; Jones has said he is on track to form a coalition with the Conservatives.