Newscast's guide to Sterling's historic slide.

As the Bank of England and the chancellor try to steady the ship, we explain the forces behind the fall in value of the pound, as well as the economic jargon being used to describe what’s going on.

Head of Bloomberg Economics Stephanie Flanders joins Adam and Chris to help.

And the former shadow chancellor John McDonnell gives his view from Liverpool, where the Labour conference is taking place.

This episode of Newscast was made by Tim Walklate with Miranda Slade, Danny Wittenberg and Chris Flynn. The technical producer was Michael Regaard. The editor was Jonathan Aspinwall.