Four people have been questioned and released by police in relation to the incident where $50,000 of new Fiji design bank notes were stolen from a Suva bank on Sunday.

The missing money is made up of all new $100 designs, depicting the insect Cicada or Nanai and police investigations are now underway.

The new currency is being found in circulation around the country.

Director CID Vakacegu Toduadua said investigation against the four suspects will continue.