You can read this article from Bloomberg:
Money-Market Rates Double Amid Global Credit Seizure
But you really only need this quote:
``I have never seen anything remotely like this. The money market was typically the one thing that always worked,'' said Luca Jellinek, head of interest-rate strategy in London at Royal Bank of Scotland Group Plc. ``It's the cardiovascular system of the financial body. When this happens, it's like a heart attack.''