The Colombian navy intercepted "narco subs" containing at least 225 metric tons of cocaine as they headed from South America to Australia.

A semi-submersible packed full of cocaine is the latest of a number to be seized in the Pacific Ocean.

Altogether, the subs contained more than 1,400 tons of illicit drugs, including 225 tons of cocaine and 128 tons of marijuana, CBS News reports. “This is perhaps the largest seizure of cocaine in transit made by Colombia in history,

The discovery of a semi-submersible vessel carrying cocaine in the Pacific was part of a global six-week operation against drug smugglers.View on euronews

Smuggling cocaine from South America to Australia is particularly lucrative, as a kilogramme of the illegal drug can fetch up to $240,000 (£190,000) there - six times more than in the US, Colombian security forces said.

Colombia's Navy has seized more than 1,400 tons of narcotics in a multinational operation, after uncovering a new cross-Pacific trafficking route.

Columbian authorities have cracked down on drug mule pirates who are transporting Class A substances to Australia – their biggest and most lucrative cocaine consumers