I found this article, its interesting nothing gruesome. Rather odd though!
http://www.telegraph.co.uk/news/uknews/3385150/Hens-eggs-exploding-because-of-hot-air-balloons.html
http://www.telegraph.co.uk/news/uknews/3385150/Hens-eggs-exploding-because-of-hot-air-balloons.html