Malaysia's former prime minister, Najib Razak, on Monday faces the biggest of five trials linked to a multi-billion-dollar scam at state fund 1MDB, although lawyers are seeking a delay to allow time for the completion of a previous trial.

Malaysia set to begin biggest 1MDB trial involving ex-PM Najib Razak

Six countries, including the United States, Switzerland and Singapore, have opened a judicial investigation into the alleged 1MDB funds misappropriation.

1MDB scandal: Malaysia Central Bank governor Muhammad bin Ibrahim steps down

But, said its chief financial regulator, private banks must take the lead in battling illicit fund flows

Singapore to use data tracking against money laundering

The scandal around the embezzlement of billions of dollars from the fund, much of them borrowed, has battered Najib's government

US moves to seize $1 billion in assets of Malaysian 1MDB fund