The source said one of the suspects arrested in the investigation revealed that a safe house was being used to store the proceeds of corruption.

The source said it was believed the prominent politician ordered a businessman to store the money, which was given by an unidentified individual, at the apartment in Kuala Lumpur.

“Following this, a raid was conducted at the apartment last night,” said the source.

“Around S$1,529,000 (about RM5 million) was discovered in the raid. The money was kept for the politician to use in his political activities.”

Sinar Harian reported that a former Menteri Besar Selangor Incorporated (MBI) senior executive was among two individuals MACC arrested in an investigation into a sand mining concession granted by a subsidiary of the state investment arm.

The two suspects, the second one being a businessman, were allegedly linked to a prominent opposition leader who used to have political influence in Selangor.

The report said the former executive is suspected to have received millions of ringgit in bribes from a company that secured a sand mining concession several years ago. The businessman had allegedly collected the bribes on behalf of the former executive.

MACC chief commissioner Azam Baki confirmed the arrests and investigation.