SINGAPORE - Eleven more men have been arrested for their suspected involvement in a case of misappropriation and unlawful sale of marine gas oil.

The suspects, aged between 21 and 40, are two Singaporean men and nine foreign crew members of a Singapore registered vessel.

They allegedly misappropriated marine gas oil without a company's knowledge and sold it to a foreign registered tugboat, said the police in a statement on Friday (Feb 9).

This brings the total number of those nabbed in the case to 22.

The police said they received a tip-off on Jan 19 that a foreign registered vessel was involved in the illegal sale of 200 metric tons of marine gas oil, worth an estimated $97,000.

Eleven crew members of the vessel were arrested on Monday. They were charged in court for the offence of criminal breach of trust as a servant on Wednesday.

The Police Coast Guard arrested the latest suspects based on further investigations.

These 11 people will be charged in court with the same offence, said the police.

The maximum punishment for criminal breach of trust as a servant is up to 15 years' jail and a fine.