The Crown Office and Procurator Fiscal Service (COPFS) said the 33-year-old was arrested in relation to a “suspected security breach” in an evidence store, STV reports.

It had earlier said a member of staff had been suspended.

A spokesperson added: “The way evidence is stored in all COPFS offices is the subject of ongoing review and the service is implementing measures to strengthen further the security arrangements. 

“As live criminal proceedings are involved we cannot comment further at this time.”