Zagreb police have arrested four Ukrainian nationals suspected of using counterfeit currency in multiple transactions. The women allegedly used fake money to purchase clothing, cosmetics, and other goods at various stores in April. Authorities report eight separate incidents of suspected fraudulent activity. The investigation is ongoing, and further details regarding the source of the counterfeit money have not yet been released. The suspects are currently in custody awaiting further legal proceedings. This case highlights a potential increase in financial crime involving forged currency within the city. Police are urging businesses to remain vigilant and report any suspicious transactions.