KUALA LUMPUR, April 25 -- Ten individuals, including a senior Immigration Department officer, were arrested in an operation dubbed Op Toyu at the Bukit Kayu Hitam Immigration, Customs, Quarantine and Security (ICQS) Complex in Kedah yesterday.

Immigration director-general Datuk Zakaria Shaaban said the special operation, which began at 12.50 pm, was carried out following a month-long intelligence effort by the Intelligence and Special Operations Division at Immigration headquarters in Putrajaya, in collaboration with the Kedah Immigration Department and the Malaysian Border Control and Protection Agency (AKPS).

"Those arrested include a local man and a Thai national believed to be 'agents' known as 'Toyu', who arranged the entry of fore...