Keir Starmer has said Labour's by-election victory shows the party is "on track" to power and said the Tories were "absolutely imploding".
The beaming Labour leader said Wakefield would turn out to be the "birthplace" of the party's next Government as he celebrated winning back a key brick in the Red Wall.
Boris Johnson had a torrid night at the polls as the Tories lost two critical by-elections, in a humiliating blow to his leadership.