Jakarta, May 11 -- Indonesian police are probing the financial backers of an international gambling ring following the arrest of 321 suspects in Jakarta.

Investigators are now tracking the syndicate's funding and infrastructure sponsors.

"We will coordinate with relevant agencies to investigate both the flow of funds and their sponsors," the Director of General Crimes at the National Police's Criminal Investigation Agency, Brigadier General Wira Satya Triputra, remarked in on Sunday (May 10).

Beyond the money trail, the investigation aims to identify the tenants of the Hayam Wuruk Plaza Tower who facilitated the massive operation.

The raid uncovered a predominantly foreign workforce, including 228 Vietnamese and 57 Chinese nationals....