Metropolitan Police revealed Thursday the women had been rescued and announced the arrests of two people as part of an investigation into slavery and domestic servitude.
The investigation was launched after one of the women contacted a charity, which then went to the police. Those freed are a 69-year-old Malaysian woman, a 57-year-old Irish woman and a 30-year-old British woman.
Kevin Hyland, head of the force's human trafficking unit, says the force had established that the women had had some controlled freedom but all been held for at least 30 years.
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