Four men have been arrested for smuggling over $77 million dollars worth of heroin to Sydney from Malaysia.
Australian Border Force officers found 150 kilograms of heroin inside air cargo that arrived in Sydney in January.
Police found an additional 35 kilograms of methanphetamine and more than $200,000 in cash during raids accross Sydney.
New South Wales Police say the bust reflects a growing drug culture that needs to be addressed.
It is the largest heroin bust in Australia in around 10 years, the NSW Police Force report.
