Malaysian police have arrested 83 people over a fraud that cheated people in China and Taiwan out of billions of dollars.
It worked by calling them to settle phony credit card or other bank charges.
Police said they had detained 75 Taiwanese nationals, six Chinese and two Malaysians following raids on Friday in Serdang on the outskirts of Kuala Lumpur.
Last year the syndicate is believed to have netted $US3 billion in China alone with the scam.
Police said the group originated in Macau but is believed to operate from other South East Asian countries such as Cambodia, Indonesia, the Philippines and Thailand.
The arrests followed a separate bust on Thursday in Kajang, near Kuala Lumpur, of a football betting and fraud ring that police say could have raked in up to $1.3 billion.
Police held about 150 people, almost all from China and Taiwan, following the Thursday raid.