KUALA LUMPUR: The Malaysian Anti-Corruption Commission (MACC) has confirmed that former prime minister Tun Dr Mahathir Mohamad's eldest son has been summoned to facilitate an ongoing investigation into his wealth yesterday.

The commission, in a statement today, said it has served businessman Mirzan Mahathir a notice to declare his assets, all movable and immovable assets, whether inside or outside the country, within 30 days.