Police are appealing for information following reports of a man seen to be acting suspiciously in the grounds of Raigmore Hospital.
The man was seen in the area of the Juniper Court accommodation block at the Inverness hospital at around 7.30pm on Thursday, February 7.
He did not approach anyone but his behaviour caused concern to a resident who reported it to police.
No description of the man is currently available, other than that he was Caucasian (white).
Sergeant Stuart Fitzpatrick said: "This is an unusual incident for Inverness and we are carrying out thorough enquiries to establish the full circumstances.
"We would urge anyone who believes they may be able to identify this man to come forward.
"I would also urge anyone who may have been driving in the area on the night and has dash cam footage to review this and let us know if you notice anything which could be of interest.
Information can be passed to police by caling 101 and using reference NN908/19 or contacting the anonymous Crimestoppers service on 0800 555111.