Singaporeans suspected of participating in an illegal pyramid scheme have been detained in China, according to local media. The individuals are being investigated for their alleged involvement in a fraudulent financial operation. The case highlights ongoing concerns about cross-border financial crimes. Authorities are examining the extent of the network and its impact on victims. The operation reportedly involved false promises of high returns. The Singaporean government has expressed cooperation with Chinese authorities. No charges have been formally filed yet. The investigation is ongoing.