Evidence of possible bogus postal votes was found in three of 64 cases investigated, it said.

BBC: No prosecutions over Tower Hamlets vote fraud claims

During this period, the party will also accept postal votes for its members.

BBC: The path to leadership

Eastleigh Council told the BBC it had issued 14, 276 postal votes and that 9, 485, or 66.4%, had been returned by Tuesday.

BBC: Eastleigh by-election campaign in final stages