Qatar 2022 World Cup organisers have admitted that they are "appalled" by allegations of exploitation of migrant workers.
An investigation published by The Guardian has revealed that at least 44 workers died of heart-related issues or accidents that occurred in the workplace between June 4 and August 8.
It has also been claimed that Nepalese men have gone months without pay, while evidence has been found of forced labour on a World Cup infrastructure.
A statement from the Qatar 2022 supreme committee said: "There is no excuse for any worker in Qatar to be treated in this manner. Like everyone else we are appalled by the findings. There is no excuse for any worker in Qatar, or anywhere else, to be treated in this manner.
"We firmly believe that all workers engaged on our projects, and those of the other infrastructure developers in Qatar, have a right to be treated in a manner that ensures at all times their wellbeing, safety, security, and dignity. This is our top priority as we begin to deliver on the promises made in our bid to host the 2022 FIFA World Cup in Qatar."
FIFA have also expressed their concern over the investigation.