I'm not sure if this has a place on this blog, but I think it should have a place in people's minds and hearts.
On 4th of March, a 14 month old lab was killed during his walk with his owners. They met another dog, and his owner, being worried about the safety of his dog and his child shot the lab. The lab, though, wasn't acting hostile in any way.
more information and a petion on:
http://www.petitionspot.com/petitions/judgekilledadog