What’s your worst fear? Is it flying? Is it being hit by lightening? Maybe something falling from the sky?

It wasn’t exactly a bolt from the blue. More like blue ice from the sky.

An elderly Chino, California couple had a chunk of blue ice crashed through their roof recently. William McElroy says it was so loud, they had thought a car hit their house. Evelyn McElroy is amazed no one was hurt and figures “somebody extra” was looking out for them. Federal aviation officials are investigating if the blue ice came from a leaking airplane toilet holding tank.

Nice. They probably got hit by frozen pee! I wonder how often that happens?

Well, it could have been worse – they could have been hit by a plane experiencing software failure: