On Sunday (18/02) just before 10pm Wiltshire Police received a report from the Castle Hotel that a man dressed in a mask had threatened staff and demanded money.
A man in his 40s has been arrested on suspicion of committing armed robbery.
Another man in his 40s arrested yesterday on suspicion of conspiracy to commit robbery has been released on bail.
If you saw anything suspicious, or have information that could help with our enquiries please contact us on 101 quoting reference number 54240019416.