His Instagram post has now caused a storm online, with sceptics and conspiracy theorists alike rallying in the comment section.
One follower said: “Tom, why post a picture that looks as interesting as this, only to undermine it with a vague comment.
“So frustrating. At least say something about the image itself.”
Another person said: “Wild to think people thought you were crazy for talking about this all these years.”
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The photo posted by Mr DeLonge appears to be a screengrab from a video shared two years ago by the account ufolovers.
In the video ... Read even more