The following exert is an eye witness statement. Please read into it what you will. This has been reported to mufon who I am sure are investigating:
I was in my bathroom and looked out of my skylight and observed what i thought was a group of birds circling in sky.
i am a bird watcher. when i realized they were silver and reflecting light. first a couple then several more joined then they appeared to disappear and and reappeared circling faster and faster then they left viability at extremely high rate of speed.