A New Zealand woman and her six-year-old son who live in Washington state have been detained by US immigration. Photo / GoFundMeA New Zealand woman and her six-year-old son who live in Washington state have been detained by US immigration. Photo / GoFundMe

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Family and friends are pleading for the release of a Kiwi mother of three and her 6-year-old son after they were detained by US immigration. Photo / SuppliedFamily and friends are pleading for the release of a Kiwi mother of three and her 6-year-old son after they were detained by US immigration. Photo / Supplied

The children on the way to Canada, excited to see their grandparents. Photo / SuppliedThe children on the way to Canada, excited to see their grandparents. Photo / Supplied

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Family and friends are pleading for the release of a Kiwi mother of three and her 6-year-old son after they were detained by US immigration. Photo / SuppliedFamily and friends are pleading for the release of a Kiwi mother of three and her 6-year-old son after they were detained by US immigration. Photo / Supplied