Three people were arrested as after being found to be in possession of different drugs, the police said.
"Following information regarding the alleged suspects, on Friday, the police stopped a vehicle in Bugibba that was being driven by a 50-year-old man, who had a 39-year-old man with him in the vehicle.
During a search of the vehicle, substance suspected to be cocaine and heroine was found in a way that was ready to be trafficked.
Searches continued in Mosta, in the residence of the 50-year-old, in which a 24-year-old man was also present. The police found a 700 gramme block of pure heroin, a gun and a number of bullets, in addition to other items used for drug trafficking.