Fadi and Michael Ibrahim are expected to spend the next few days sweltering in a Dubai police cell while authorities continue to process their extradition from the United Arab Emirates back to Australia.
The two brothers of Kings Cross nightclub figure John Ibrahim were arrested at a Dubai marina as part of a joint Australian-UAE-Dutch investigation into an alleged international drug syndicate.
UAE authorities are still processing the extradition request, which is expected to take a few more days, 7News reported on Sunday.
The brothers reportedly will remain locked in one of the city's hot and overcrowded police cells until being sent back to Sydney.
John Ibrahim's son Daniel Ibrahim, who also goes by the name Daniel Taylor, was arrested in the Sydney raids for allegedly handing over $2.25 million to buy illegal tobacco as part of a deal police say was masterminded by his uncle, Michael.
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John's model girlfriend, Sarah Budge, was also swept up in the operation.
She is not involved in the drug-smuggling syndicate but has faced court on firearms and ammunition charges.
Both Taylor and Budge walked free on bail last week.
A 39-year-old from Parramatta was arrested on Thursday night at Sydney International Airport after travelling from Dubai.
The man was the 18th person to be arrested in the joint NSW and AFP operation.
Authorities prevented about two tonnes of illicit drugs, including 1.8 tonnes of MDMA, from coming to Australia in July as part of the operation.
The estimated street value was up to $810 million, AFP Assistant Commissioner Neil Gaughan said this week, but authorities pounced on the haul in the Netherlands before it made it to Australia.
