LAHORE The National Accountability Bureau (NAB) Punjab claimed on Friday to have arrested a Proclaimed Offender (PO) Raja Riaz in PASBAN cooperatives and national finance cooperatives fraud cases. According to Director NAB Punjab Atiqur Rehman, the accused embezzled Rs 80 million through forgery and fraud and vanished from the scene. NAB Punjab had filed two references against the accused in 2001/02, NAB official further stated.