Today a few little tidbits of interesting Rogue One information that slipped through the cracks have been discovered. Better late than never with this kind of stuff. This one is kind of a big one: Mads Mikkelsen says he is not a bad guy in Rogue One: A Star Wars Story when talking to ekstrabladet.dk:
Roads to and from the location have been blocked, and True North has declined to comment on the matter altogether.
I think I may have seen part of the film crew last Thursday (unless it was another film crew) along Route 1 between Vik and Jökulsárlón. There was a big blue and white truck with a satellite parked a ways back on the north side of Route 1 with cameramen and other people milling about. I didn’t see any actors.