John Conners was given quite a shock when a bowling ball size chunk of ice rocketed through his ceiling and broke apart. The only witness to this phenomenon? His cat, Oscar.

Current theories regarding the ice: it could have possibly fell from an airplane or it's the world's largest hailstone.

(John Conners / Facebook)
(John Conners / Facebook)
(John Conners / Facebook)
(John Conners / Facebook)