Well, in the absence of knowledge of the background to your situation, I'd recommend having a nice, long chat with the parties involved. Address their concerns, and calmly express your outrage, making it clear that their actions were unacceptable.

As far as pressing charges or borrowing other kilts to "spite" the culprits, or any other retaliatory action, I don't really have anything to say, since I don't know the full extent of your situation.

However, whatever you do, I would recommend proceeding slowly, carefully, and thoughtfully. Festina lente, as they say.

Also, to quote the Klingons, "Revenge is a dish best served cold."