I bet they had serious road rash!

http://www.dailymail.co.uk/news/article-1348532/Rottweilers-die-owner-ties-Land-Rover-husband-drives-away.html

I once tied my dog outside the newsagent then went home.the owner brought him home, and she wasnt very pleased.

I did also leave my eldest outside the chemist in his pram and went home ( in my defence, it was the first time ide ever been out with him) when I realised it was OMFG moment