Tom Chaplin (of Keane) in rehabHere's an article about it. There are a ton but i chose this one because there are more details + a picture...
http://www.canada.com/topics/entertainment/story.html?id=ec7a7f2d-0fda-4e03-ab4b-7d4f07afce1f&k=49060
It's a shame. They had to cancel a lot of US tour dates.
At least he admits it and is seaking help.