The Navy intercepted the fishing trawler about 18.5 km off the Little Basses Reef Lighthouse in the Southern Province, reports Xinhua news agency.
While six Sri Lankans aboard the fishing trawler were arrested by the Navy, four others were nabbed by the police.
The Police Narcotics Bureau is conducting further operations in search of more suspects in connection to this case.
With the latest seizure, the Sri Lankan Navy has detected drugs with a street value of over 22.5 billion LKR in 2022.
(IANS)