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.

St Helier Central to recount vote
Guernsey gives £75k for Islands Unlimited inter-islands sailings
Concern that 'insults and inflammatory remarks' could deter future election candidates
Manoeuvring underway to determine next Chief Minister
Firefighters called to blaze on Beresford Street
Shark dies after washing up on Greve D'Azette beach
Driver (78) dies following collision in St Brelade
Election winners and losers: The next States Assembly