Indonesian navy on Saturday paraded the arrest of drug smugglers and 1.1 tonne of methamphetamine drugs found on board a boat in Indonesian waters near Singapore.

The drug was found onboard the MV Sunrise Glory ship, hidden with sacks of rice on Wednesday, the navy said.

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Indonesian navy officers guard the crew of the Singapore-flagged MV Sunrise Glory on Batam island Saturday after the drug bust. (Roilen/AFP/Getty Images)

Four Taiwanese crew members are under arrest in connection with the drug bust, according to media reports. There are also reports the drugs were headed for Australia.

The navy reported its officers noticed the boat, which was carrying Singapore flag, crossing the Indonesian waters during a routine patrol at the border.