As Andy Burnham is declared the winner of the Makerfield by-election, all eyes are on the 'King of the North' who vows to 'lead by example from the front'. But who is the former Manchester Mayor many believe will be challenging the PM in the weeks to come?

Winning the Makerfield by-election could be a major challenge for Andy Burnham, as he is eyeing up a new role in Westminster.

Andy Burnham has been offered a path back to Parliament after a Labour MP stood down, triggering a by-election which the Mayor of Greater Manchester hopes to contest.