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.

Parliament was briefly suspended on Thursday after Maori members performed a haka — a traditional ceremonial group dance — to disrupt the vote on a controversial bill.

This moment, which quickly spread across social media, took place during the debate on the Treaty Principles Bill.