A homemade submarine carrying more than five tons of cocaine was intercepted in the Pacific Ocean off the coast of South America, the US Coast Guard said.
The 39-foot-long (12 meter) vessel had previously been detected by maritime surveillance, according to a statement published Tuesday.
The Coast Guard boarded the self-propelled submersible on September 1 in international waters with the aid of the Colombian navy, the statement added.
On board, the Coast Guard discovered about 5.4 tons of cocaine, with a market value of more than $165 million.
Four suspected drug smugglers were arrested during the operation.
Along with planes and swift boats, South American drug cartels -- particularly from Colombia -- use somewhat rudimentary submarines to transport drugs to Mexico and on to the United States.
In July, the US Coast Guard announced the seizure of 13 tons of cocaine from multiple operations throughout Latin America.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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