http://www.bbc.com/news/entertainment-arts-42696376
I just heard about this a couple minutes ago, so I'm still in shock about this. The Cranberries were one of those bands that are part of the soundtrack of my life in very significant ways.
The cause, or any other details about her passing have not been disclosed, as the family requested privacy. So far all that's been revealed is that she was in London doing some recordings with the band, and that this was unexpected. I'll try to update when more information becomes available.