As far as I see, any of you could have started ksing, because none of you have a proof. The only thing I see is someone blocking due to a dispute of the respaw.
You need the whole context before asking for someone's ban. Otherwise, this will end just like Tibia, where they ban an individual due to a single offensive statement without taking in consideration the whole conversation.
Don't take me wrong, I'm not defending him. It's quite easy upseting someone, making him to block then take a picture. I just want justice...