Behind the scenes of the Starmer vs Burnham by-election row

As Keir Starmer tries to shake off the backlash of Andy Burnham's failed bid to get on the ballot for the Gorton and Denton by-election...what really went on behind closed doors?

Downing Street and the Greater Manchester Mayor have both denied reports he was told in advance that he would be blocked by Labour's ruling National Executive Committee. But Robert Peston has the inside story.

And with Labour leadership candidates waiting in the wings... how should Starmer have handled it instead?

Meanwhile, Robert exclusively reveals why events in Canada could put King Charles's trip to America in jeopardy.