Colombo, Sept. 2 -- Sri Lankan and US anti-narcotics agents seized 463 kilograms of crystal methamphetamine in Colombo. Police said the operation targeted a Pakistani drug network. Two Pakistani men were also arrested following the seizure.

The drugs were found inside a shipping container that arrived in Colombo over the weekend. Police Deputy Inspector-General Ashoka Dharmasena confirmed the arrests. Authorities also arrested a local man over the suspected drug shipment.

The US embassy said the seized narcotics were worth around $21 million. Officials found the crystal meth hidden inside bath towels. They said traffickers planned to move the drugs through Sri Lanka to international markets.

The joint operation involved the US Drug Enf...