An attempted hold-up took place at a prominent jewellery shop in Sliema on Saturday evening.
Witnesses said a man wearing a balaclava and wielding a knife charged into Sterling Jewellers on the busy Tower Road around 6.45pm and demanded cash before fleeing the scene.
Police sources have confirmed that the would-be thief did not manage to steal anything.
One of the shop assistants appeared shaken as police arrived within minutes of the incident to try to obtain information.
Nobody was injured.
Police were on site within minutes.