Based on reports published by China's space agency, Sergio Toscano, director for Astronomical Research in Missions, said that behind the comet Elenin could be approaching a UFO.
The original article is in Spanish:

Google Translation

I discovered this fascinating and just needed to publish it for everybody here to see it! I've not seen any other thing about this anywhere.

Unless of course something profound happens out of this, we'll most likely hear nothing about this again, sadly.