Officers said the alarm was raised at about 12:40 on Saturday.
By Lucy Ashton
Detectives are investigating following the discovery of “possible human remains” in Loch Lomond.
Officers said the alarm was raised close to Rubha Dubh, at Firkin Point, at about 12:40 on Saturday.
The remains were removed from the scene for analysis.
Officers, a police van and a forensics vehicle remained at the scene on Monday.
A Police Scotland spokesperson said: “Extensive inquiries are ongoing.”