yep, i was in a hurry and i guess i didn't put the key all the way into the hole and when i turned it, it snapped. here is a picture. sorry its not that clear but you can see the damage. i thought it was kinda funny.

 

Ouch, I was afraid I might do that when my friend and I were pushing as hard as we could when the door locks froze. That must have been a briddle key.