A group of investors is raising concerns about the treatment of migrant workers in the Gulf, warning that labour practices risk leading to abuses such as modern slavery...

it represents 38 investors with over $3 trillion in managed assets and wants companies to disclose how they protect migrant workers...

[it] has written to over 50 international companies operating in the region...

The group is concerned recruitment practices can require low-paid migrant workers to pay large fees to agents and middlemen to obtain employment...

“As investors, we have a moral duty to ensure that we are not profiting from modern slavery in any shape or form,” CCLA’s Chief Executive Peter Hugh Smith said.