UFO Sighting in Bemidji, Minnesota – Green fireball

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 having a break between rounds outside with others during a magic the gathering prerelease tournament when we saw a green fireball slowly descending toward the sw then suddenly changed direction to the north at high speed. i left out the other witnesses cause some had concerns about reporting it but out of the group 4 out of 6 of us saw it clearly