The Malaysian Anti-Corruption Commission (MACC) has arrested Ahmad Zahid Hamidi, hours after the former deputy prime minister was summoned for questioning.
Zahid is being investigated over alleged abuse of funds linked to his family-run foundation, Yayasan Akal Budi.
This is the sixth time Zahid was called for investigation into the foundation, as well as another probe related to 1MDB over a meeting with a member of the Saudi Arabian royal family.
It is understood Zahid will be charged at the Kuala Lumpur Sessions Court tomorrow.
In a statement, MACC said that Zahid, the Umno president who is also the opposition leader in the Dewan Rakyat, will face charges under the Anti-Money Laundering and Anti-Terrorism Financing Act as well as the MACC Act.
Zahid spent some 11 hours last week during his session with MACC investigators.
When he was first called up for questioning in July, he told MACC that RM800,000 had been reimbursed to Yayasan Akal Budi two years ago.
He had then said that an employee of the foundation had mistakenly issued a company cheque to pay his credit card bills, instead of following his instruction to prepare payment from his personal bank account.