Manila, May 9 -- The Bureau of Immigration (BI) on Friday reported the arrest of 31 foreign nationals, most of them Chinese, suspected of engaging in online scam operations following a raid in Makati City earlier this week.

In a statement, BI intelligence division chief Fortunato Manahan Jr. said the raid took place Monday evening on the 11th floor of a commercial building along Ayala Avenue.

He said operatives discovered dozens of foreigners manning computer workstations allegedly used for fraudulent activities targeting individuals abroad.

To hide its illegal operations in the building, the company allegedly displayed the name of a popular insurance firm on its entrance.

Of the arrested foreign nationals, 24 were Chinese, two were T...