Labour leader David Shearer has been forced to deny allegations of division amongst his party caucus.
Mr Shearer, who appeared TVNZ's Q+A this morning following Labour's successful Ikaroa-Rawhiti by-election result, was quizzed about the allegations and reports of a possible party leadership challenge.
"I'd like to know who the MP is," Mr Shearer said in reference to reports some MPs had told media their could be a challenge to his leadership within two months due to poor polling results.
The latest Herald-DigiPoll survey showed support for Labour and Mr Shearer had slumped.
Mr Shearer had dropped 6.1 points as preferred Prime Minister in this week's survey, while his party slid 6.6 per centage points to 30.9 per cent overall.