New Zealand Police said they arrested 12 people following a protest at Te Papa, where parts of the Treaty of Waitangi exhibition were defaced.
A 29-year-old man has been charged with intentional damage, obstructing police, and breach of bail.
A 53-year-old woman has been charged with intentional damage.
A 46-year-old man and a 52-year-old woman have been charged with breach of bail.
Eight protesters were arrested for trespass after refusing to leave Te Papa. They were escorted outside, formally trespassed and released without charge.