Key facts
- Polls have closed in a UK by-election.
- The outcome could influence the selection of Britain's next prime minister.
- Vote counting is currently underway.
- A result is expected overnight.
Polls have concluded in a significant by-election in Britain, the results of which may shape the future leadership of the country. The ongoing vote count is expected to yield a result by morning, with the outcome potentially influencing the selection of the nation's next prime minister.