Oh, to add, the warnings are not new...
1 - Remember when the price skyrocketed from 30~40 to 200$+. Then, bubble popped and what then happened? April 11 2013, Gox halted the tradings for 12 hours (in hope to stop market crash).
https://www.mtgox.com/press_release_20130412.html2 - June 20th 2013, cash withdrawal becoming slower and slower, Gox halt fiat withdrawal for 2 weeks.
https://www.mtgox.com/press_release_20130620.html3 - Well, this is the events taking place right now. This has been ongoing for at least one to two week (or more).
https://support.mtgox.com/entries/26501000-Statement-Regarding-BTC-Withdrawal-DelaysMore and more sources are worried about Gox now. Some news talk about the "Fall of Gox". Good link above traderCJ

And
http://www.youtube.com/watch?v=cbxD-0EVV00 among other...
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