Police are investigating a break-in at a city jewellers in the early hours of this morning.
The front window of a jewellery store inside Adelaide Arcade was smashed and jewellery stolen from the displays.
A security guard discovered the break-in and smashed glass while patrolling the arcade just before 6am on Wednesday 2 December.
The break-in is believed to have occurred sometime between 4am and 6am. The quantity of stolen jewellery is not yet known at this stage, but is described as contemporary designs in sterling silver.
A trail of blood was found at the scene and crime scene investigators will attend this morning.
Anyone who saw or heard any suspicious activity in the vicinity of Adelaide Arcade in the early hours of this morning is asked to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au