A man was arrested in Marsa after he was found to be in possession of16 sachets of synthetic drugs, the police said.
In a statement, the police said officers on patrol in Pitkali Street noticed that one of four men talking together appeared to be leaving as soon as he saw the officers approaching.
He was stopped and searched, and the police discovered the drugs.
The man, aged 22, from Gambia, is set to be charged in court.