WATCH: Smoke engulfs Weir's jewellers in Dublin

It is thought it could be part of the shop's security system

WATCH: Smoke engulfs Weir's jewellers in Dublin

Image via @pdquinn7 on Twitter

Smoke has filled a jewellery shop in Dublin city centre.

Confused onlookers passed by Weir's jewellers on Grafton Street as alarm bells rang.

It is thought it could be part of the shop's security system, which fills the premises with smoke if there is a suspected robbery.

Reports say gardaí are also at the scene.