Two men were arrested on Monday following an operation by the Drug Squad.
The police said the men - a 33-year-old from Qormi and a 19-year-old from Valletta, were arrested in Qormi after they were found in possession of more than 100grams of cocaine, around 50grams of heroin and more than €7,000 in cash.
An inquiry is being held.
Police investigations are continuing.