The Australian navy has destroyed nearly 353 kilograms ( 780 pounds ) of heroin . In the first half of this year, Australia seized more than 100 tonnes of cocaine and almost 500 kg of methamphetamine from boats in international waters off its east coast. A team from the aircraft carrier HMAS Melbourne boarded the smuggler ship Wednesday .
The Australian navy has destroyed nearly 353 kilograms ( 780 pounds ) of heroin . It intercepted the drugs on a smuggling vessel off the coast of Tanzania , officials said . A team from the aircraft carrier HMAS Melbourne boarded the smuggler ship Wednesday .