It seems like most discussions about Bitcurex's disappearance is taking place in Polish on:
https://forum.bitcoin.pl/viewtopic.php?f=16&t=19856&p=272893&hilit=bitcurex#p272893I'm trying to follow it using Google Translate...
From what I can tell they say it is can't be accepted by the police yet (the terms say something about 3 days downtime before responding to an issue).
The offices in Lodz are closed.
It is looking very bad.