This might be just a coincidence...but a serious one. Same thing happened to me recently. Call your bank NOW, and report the bogus UK purchase. If the iTunes purchase was valid, tell them that too. My cc# was hacked on another website, but not iTunes. My bank called to see if I purchased something ...

Hi, I've been a Mac user for a long time (well, since 1990...) and have an iMac 2.8 gHz desktop and a brand new MacBook Pro. I've love Mac since the first time I turned one on. Wish I had known about this a long time ago. Oh well.