What's the scale of modern day slavery in the UK?
Media playback is unsupported on your device
Video

What has the National Crime Agency found in investigating modern slavery?

Modern slavery and human trafficking in the UK is "far more prevalent than previously thought," the National Crime Agency has said.

Will Kerr, the agency's Director of Vulnerabilities, tells BBC News what his teams have found around the country - and why previous estimates of 10,000-13,000 victims in the UK are the tip of the iceberg.

  • 15 Aug 2017
  • From the section UK