The Lib Dems' shock by-election win. Does the party now genuinely pose a threat to the Conservative blue wall in the south? Leader Ed Davey thinks so and Vicki Young is here to give her assessment of how significant the victory is. With chaos unfolding in Northern Ireland politics, Dan Johnson unpicks what led to Edwin Poots' resignation as DUP leader. And, our second Dan of the day, Dan Walker, gives us a potted history of the England v Scotland football rivalry. #YesSirICanBoogie.

Today's Newscast was made by Rick Kelsey with producers Natalie Ktena and Alix Pickles. The studio director is Emma Crowe. Emma Close is the deputy editor. Dino Sofos is the editor.