A Labour win, it has been claimed, would show that under Andy Burnham’s leadership, the party is no longer losing the support of left-of-centre voters to the Greens.
Article source: https://www.huffingtonpost.co.uk/entry/labour-deny-holborn-and-st-pancras-would-trigger-snap-election_uk_6aa7824ee4b054da7a2307e4