Andy Burnham’s big Makerfield by-election victory is set to reshape British politics as we know it.

So what happens next?

In this special Talking Politics episode, Tom Bradby and Robert Peston are joined by Election Analyst Professor Jane Green from Nuffield College, University of Oxford, to answer the key questions.

Is Britain now waking up to a new prime minister?

What does the Labour vote share in Makerfield tell us about potential voting in a General Election?

Would Andy Burnham definitely perform better than Sir Keir Starmer?

Could he call a General Election once he's prime minister?

What does it mean for Reform’s chances at a national level?

Are the Conservatives still in the picture?

And is electoral reform now inevitable?