JOHOR BARU: A married couple's attempt to smuggle nearly RM3 million in undeclared cash to Singapore was foiled when they were detained at Bangunan Sultan Iskandar (BSI) here yesterday.

The suspects, both entrepreneurs aged 41 and 42, were detained by the Malaysian Border Control and Protection Agency (MCBA) at after officers found the cash in their Toyota Alphard during checks at the BSI Customs, Immigration and Quarantine (CIQ) Complex.

MCBA deputy director-general (operations) Datuk Mohd Nasaruddin M Nasir said officers stopped the vehicle for inspection after its driver aroused suspicion.

"The couple arrived in a white Toyota Alphard bearing a local registration number. The vehicle belonged to them and was inspected by three officers.