KUALA LUMPUR: Police are investigating suspicious bank account activity involving four passengers of MH370.

City Commercial Crime Investigation Department chief Asst Comm Izany Abdul Ghany said since the plane went down, a local bank has reported that RM111,000 was withdrawn from the accounts of the four passengers.

"The banks noticed the money was withdrawn on July 18.

"They conducted an internal investigation before reporting it to police on Aug 2," he told reporters after the handing over of duties ceremony of the Cheras OCPD at the Cheras police headquarters on Wednesday.

He said investigations were currently underway.