By Lucy Craymer and Lewis Jackson WELLINGTON (Reuters) -Tens of thousands of New Zealanders rallied before parliament on Tuesday in one of the country's largest ever protests to oppose a bill that opponents say seeks to dilute the rights of Maori and threatens to set race relations back decades.

Nine-day march across New Zealand culminates in Wellington as huge numbers gather to protest bill that opponents say seeks to dilute Māori rights.   00:58 David Seymour, whose minor libertarian Act party introduced the bill that the hīkoi is protesting,

Although the bill is unlikely to pass, opponents say bid to reverse progress for Maori threatens to divide society.