Updated Friday 7.30am
Three men and a woman were arrested following a drug raid in Blata l-Bajda on Thursday evening.
The police entered a private residence and asked people who lived in the vicinity to stay inside.
The residents said they heard shouting coming from a residence as well as the sound of glass breaking.
Mountbatten Street was closed to traffic during the operation.
The Armed Forces and the Civil Protection Department took part in the operation.