大象传媒

An undercover investigation by 大象传媒 Wales Investigates has shown the extent and scale of labour exploitation and modern day slavery in the UK.

With a 300% rise in recorded slavery victims since 2012, officials acknowledge there is a growing problem.

We have seen evidence of traffickers forcing vulnerable people to work for little or no money.

This video is part of a programme which can be viewed on the 大象传媒 iPlayer.