SINGAPORE, April 28 -- Eleven men have been arrested in Singapore as part of a massive cross-border operation targeting online child sexual exploitation, which saw over 300 people nabbed across seven regions, including Malaysia.

The four-week operation, which ran from March 23 to April 17, involved coordinated raids by police in Singapore, Brunei, Hong Kong, Japan, Malaysia, South Korea, and Thailand, CNA reported.

In a news release on Tuesday, the Singapore Police Force (SPF) said officers raided 382 locations across the seven regions, arresting a total of 326 people. Another 119 individuals, including 16 in Singapore, are assisting with investigations.

The 445 individuals arrested or under investigation comprise 430 men and 15 women,...