Turkish authorities haven't responded to pleas by Bank Asya that they act to prevent what the bank has called unfair attacks on it, Chief Executive Officer Ahmet Beyaz said. The lack of action risks setting a dangerous precedent about the independence of regulatory agencies, he said. In his first interview since Thursday, when a spokesman for Turkey's Banking Regulation and Supervision Agency said that the bank had been put under review under a law that gives the regulator broad powers over the lender, Mr. Beyaz accused BRSA officials of improperly revealing that the bank was under review.