Here you have a link in which it is explained how to recover your account:
https://bitcointalk.org/index.php?topic=497545.0If you have reported it, did you be able to recover your account? What range did you have?
I believe it is important to report such a kind of activities, a lot more if the robbery account was one on a high rank, for it can be used to spam...
In order to can report it, you should have some private information related to your account. Just share the results if you have already done it, or at the moment you have some answers.