NEW : Migrant workers are often duped into taking jobs , the report 's author says . As many as 600,000 people may be victims of forced labor in the Middle East , ILO says . Migrant workers have accounts of being beaten , abused or kept prisoner by employers . Employers or agents sometimes provide money or documents to prevent workers leaving .
NEW : Migrant workers are often duped into taking jobs , the report 's author says . As many as 600,000 people may be victims of forced labor in the Middle East , ILO says . Migrant workers give accounts of being raped , abused or kept prisoner by employers . Employers or agents sometimes withhold wages or documents to prevent workers leaving .