A Nigerian man, 35, resident in Naxxar, has been arrested on suspicion of drug trafficking, the police said.
The arrest was made this afternoon in Leli Falzon Street after the man was found carrying a bag with 700g of suspected heroin.
A search of his house revealed more heroin. In all, the police said they confiscated 1.3kg of the drug.
Magistrate Doreen Clarke is heading an inquiry.