Local and European election numbers with Jeremy Vine
Thursday's elections will see European elections for everyone in the UK, and a range of local elections in England and Northern Ireland.
Jeremy Vine uses virtual reality graphics to explain what seats are up for grabs.
And he compares the possible outcome to results over the last few years across a range of general, local and European elections for the major parties.
More from the Daily and Sunday Politics: Watch full programmes from the last seven days via BBC iPlayer; 'like' us on Facebook, external page or 'follow' us on Twitter, external