A 39-year-old man was arrested on Tuesday, 23 March, after a suspicious package was discovered in the grounds of the Palace of Holyroodhouse.
Police Scotland said they responded to a call at 8.50pm on Tuesday.
A spokesman said: “We were called to the Palace of Holyroodhouse following a report of a suspicious item. Following examination by Explosive Ordnance Disposal (EOD), it was made safe.”
They said a 39-year-old man had been arrested but added: "There was no threat to the public and inquiries are ongoing into the full circumstances."