We are seeing quite a few UFO sighting reports from the south of England. This one could be a blimp, but if so it is using nonstandard and illegal running lights.
http://www.youtube.com/watch?v=OKA9VUMj72YStory Source:
http://deathby1000papercuts.com/2012/02/multiple-flying-saucers-sightings-in-essex-kent-area-of-uk-in-past-30-days-videos-photos/