Across Britain, there are thousands of victims of this often invisible crime. To mark Anti-Slavery Day we look at the scale of hidden exploitation
More than 250 years since the end of the transatlantic slave trade, there are close to 41 million people still trapped in some form of slavery across the world today. Yet nobody really knows the scale and how many victims or perpetrators of this crime there are in Britain.
Source: The Guardian
From nail bars to car washes: how big is the UK's slavery problem?