The discovery of three women allegedly held as slaves in a south London house is the "tip of a rather large iceberg", according to an MP in charge of reviewing evidence of slavery in Britain.
Frank Field, chair of the Modern Slavery Bill evidence review, said criminal gangs were making "huge sums of money" from people being imported into the UK to work "almost for nothing".
Mr Field was speaking to BBC Breakfast about the case of three women being rescued from a house in Lambeth earlier this week. He said: "I would have thought it's safe to act on the assumption that the examples we've had in the last few months are the tip of a rather large iceberg."
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