Imagine setting up a political party and then boycotting day one of its first conference.

It's an unusual thing to do - but exactly what Your Party co-founder Zarah Sultana did last weekend.

The former Labour MP isn't the first politician to struggle after defecting to set up a new movement.

What's the story behind the left-wing 32-year-old - and how do you successfully set up a new party?

Niall is joined by Sky News political correspondent Rob Powell, who attended Your Party's chaotic inaugural conference.

Producer: Natalie Ktena

Editor: Mike Bovill