The Auckland Council member who tipped off Len Brown's campaign team that the mayor's affair with Bevan Chuang could soon be made public has apologised to MP Mark Mitchell for naming him as her informant.
Councillor Penny Webster said she was upset that the Rodney MP had had to defend himself against attacks on his integrity and character by Labour MPs in the parliamentary debating chamber.
She was also concerned, as Rodney representative on the council, to retain a "very good working relationship" with the local MP.
Mrs Webster, a former Act MP, said the comment Mr Mitchell made to her was not at a cocktail party or as part of idle gossip.
"I was in a business meeting with Mark over electoral/council matters when our conversation turned to local government elections and the mayoral campaign.