KUALA LUMPUR, May 15 -- Police have arrested 187 suspects from nine countries in a major crackdown on international online scam syndicates operating out of the Klang Valley.

Inspector-General of Police Datuk Seri Khalid Ismail said the operation, dubbed Op Teguh 2.0, involved 46 raids on residential premises believed to be used as bases for cross-border scam activities.

"The breakdown of arrests that I mentioned earlier shows that these activities are not concentrated in a single country. They appear to have formed syndicates working together to carry out scams, using our country as an operational base.

"Investigations are also ongoing into how the suspects entered the country, including whether through social visit passes or other mea...