Former Bank Negara Malaysia (BNM) governor Zeti Akhtar Aziz said there was not much the central bank could do about 1MDB other than issuing "the highest administrative fine" in Malaysian history.

She said Bank Negara does not have the power to prosecute, though they are always ready to provide assistance to any institutions who can do so.

"(People) had higher expectations from us but Bank Negara does not have the power to prosecute...