A 24-year-old Workington woman has been arrested in connection with a robbery at the Post Office on High Street, Maryport on Monday.
She has been arrested on suspicion of robbery.
The 47-year-old man arrested yesterday is still in police custody.
He was arrested on suspicion of robbery at the Lanes Shopping Centre in Carlisle.
Police are continuing to investigate the incident and are still appealing for any witnesses to come forward with information.
Anyone with information is asked to contact Cumbria Police on 101 or Crimestoppers anonymously on 0800 555 111.
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