Its not fair but I don't think it is...
Minecraft PC IP: play.cubecraft.net
CubeCraft Games
_The13thDoctor_
Snodia
As far as I'm aware, "cleaning" isn't a punishable thing to do. It may seem like a skeezy tactic to get a kill, but it's legal. Lol if people got banned for it, a good portion of players would get punished.
Rob_the_Giraffe
It is just annoying and it is even worse if they were teaming.