No one was injured when three hooded men barged into a restaurant in Marsascala on Saturday and stole an amount of money.
The police said the hold up took place in Triq is-Salini at 11.15pm.
One of the thieves, who all escaped after stealing the cash, was armed.
The police did not say whether there were any patrons at the restaurant at the time of the hold up.
An inquiry is being held.
The police are investigating.