"Got Kilt?" announced on their Facebook page that their booth and several others suffered arson attacks. No official announcement from the show yet, but others have been confirming it.
https://www.facebook.com/permalink.php?story_fbid=3999518666754473&id=169855729720805 (https://www.facebook.com/permalink.php?story_fbid=3999518666754473&id=169855729720805)