A man has been arrested after allegedly trying to rob a St Helier jewellery store this morning (21 July).
Police say he threatened a member of staff with a broken bottle, demanded some of the items on display, before running away.
Officers were called just after 9am.
The force says a 20-year-old man was 'safely detained' by firearms officers a short time later.
He remains in custody. No items were taken and the member of staff involved was not physically hurt.
Police have not revealed the store in question.
Anyone with information on what happened is asked to call police on 612612.

Jury finds Shay John Bester guilty of offences including rape
African community groups express 'disappointment' with Deputy Ozouf sentencing
Island Energy to return to Royal Court over Mont Pinel gas explosion
Jersey to introduce legal limit for PFAS in drinking water
Jersey Electricity drops St Martin solar farm idea
PPC won't move to block Deputy's return to States Assembly
Jersey's next government urged to create laws preventing exploitation of workers
Philip Ozouf sentenced to 120 hours community service