A massive global drug bust has led to the capture of six so-called "narco-subs" loaded with more than 200 metric tons of cocaine and the discovery of a new drug trafficking route to Australia. The six-week operation was led by Colombian authorities and involved 62 countries,

The Colombian Navy announced it intercepted six “narco subs” containing more than $8 billion worth of drugs in an international mission involving 62 nations, of which the United States was included, that was conducted over a six-week span.

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,

More than 400 people were arrested in the operation targeting oceans, coasts, rivers and ports around the globe in October and November.

Colombian authorities have struck a major blow against international drug trafficking. In a six-week operation involving 62 countries, 1,400 tonnes of drugs worth around £6.7 billion were seized. A particular success was the interception of six 'narco-submarines' capable of carrying up to ten tonnes of cocaine.

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