Migrant laborers who built Qatars World Cup stadiums often worked long hours under harsh conditions and were subjected to discrimination, wage theft and other abuses as their employers evaded accountability, a rights group said in a report released Thursday.

The 75-page report by the London-based charity Equidem comes less than two weeks before the Gulf Arab nation hosts the worlds biggest sporting event , with over 1.2 million fans expected to descend on the tiny emirate for the monthlong tournament.