Two men and a woman were arrested by the police following a drugs raid on Wednesday night.
The men - a 39-year-old from Paola and a 56-year-old from Marsascala - were found in possession of 600 grams of cannabis resin.
Following further investigations, a 39-year-old woman from Marsascala was also arrested.
The suspects are expected to be arraigned. The raid was carried out by the drugs squad assisted by the Rapid Intervention Unit.
The duty magistrate ordered an inquiry and appointed experts to assist her.