The UK Election: 6. How important are marginal seats?

Understand the UK Election is a simple 10-part guide to everything that is going on in the election, with Adam Fleming.

Seats with slim majorities have played a big part in determining the outcome of the election in recent years, but how will constituency boundary changes affect this? What impact can tactical voting and electoral pacts have? And how safe are ‘safe seats’ really?

This episode was hosted Adam Fleming, from Newscast and AntiSocial, with Alex Forsyth, political correspondent and host of Any Questions, and Peter Barnes, the BBC’s senior elections and political analyst.

Producers: Alix Pickles and Alex Lewis

Production Manager: Janet Staples

Editor: Sam Bonham