Police have cordoned off Duddingston Loch close to where French student Antoine Maury was last seen more than a month ago.
The 21-year-old disappeared after leaving a group of friends suddenly on Monday 24 October.
A man matching his description was later seen at the loch wearing no top.
Divers and sonar equipment were used in the search for Mr Maury whose family travelled to Edinburgh to appeal for information.
We will bring you more on this breaking news story throughout the course of today.