The withdrawal of support comes after events at Waitangi that saw Te Pāti Māori general manager Kiri Tamihere-Waititi cross the ātea to Eru Kapa-Kingi and perform a haka right in front of him.
This is a companion discussion topic for the original entry at https://www.stuff.co.nz/nz-news/360946365/pokokohua-koe-eru-kapa-kingi-curses-te-pati-maori-vows-never-support-them-after-waitangi-challenge