Rosmah Mansor, the wife of former prime minister Najib Abdul Razak, has been arrested by the MACC.
Her arrest came after five hours of questioning by investigators.
When contacted, MACC deputy chief commissioner of operations Azam Baki confirmed the arrest, saying that Rosmah was detained at 3.20pm after having her statement recorded.
"She will be taken to the Kuala Lumpur Sessions Court tomorrow to face charges under the Anti-Money Laundering, Anti-Terrorism Financing and Proceeds of Unlawful Activities Act 2001," he said.
Rosmah arrived at the MACC for questioning at 10.40am this morning with her lawyer K Kumaraendran.