New Zealand’s parliament was briefly suspended on Thursday after Maori members staged a haka to disrupt the vote on a contentious bill that would reinterpret a 184-year-old treaty between the British and Indigenous Maori.

A video of the youngest MP of New Zealand’s Parliament, Hana-Rawhiti Maipi-Clarke, has been going viral on social media. In the video, Clarke is seen leading a powerful traditional dance called Maori haka.

New Zealand’s Parliament was temporarily suspended on Thursday as Māori lawmakers performed a haka, a traditional group dance, demonstrating their community’s anger and fear over a bill that aims to reinterpret the country’s founding treaty with its Indigenous people.