Qatar has revealed a set of guidelines aimed at protecting the rights of thousands of expatriate workers employed on construction projects, as the emirate prepares to host the 2022 football World Cup.

The gas-rich Gulf state, under mounting criticism from rights groups over the conditions of migrants working in its booming construction industry, invited the International Labour Organisation to verify the process of enforcing laws. Amnesty International said in November that migrant workers were being treated like “animals”, and urged FIFA to…