Jersey's Customs Officers think they have intercepted around £10 million pounds worth of heroin.
Ten kilos of drugs were found hidden in the fuel tank of a car arriving off the ferry from Poole on Saturday.
A 29 year old man from Liverpool has been charged with importing drugs.
Alexander Daniel Cullen is expected to appear before Jersey's Magistrate's Court today.
A government statement says officers are awaiting full analysis of the consignment, but that initial tests suggest the substance to be heroin.
"If confirmed, the haul could have a street value in Jersey of up to £10 million." - GoJ
The Customs and Immigration Service says anyone with information about drugs smuggling should call the Customs Freephone on 0800 735 5555 and speak to an officer in complete confidence.
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