The AP's team of John Solomon and Pete Yost have the story.

Vice presidential adviser I. Lewis "Scooter' Libby Jr. was indicted Friday on charges of obstruction of justice, making a false statement and perjury in the CIA leak case.

Karl Rove, President Bush's closest adviser, escaped indictment Friday but remained under investigation, his legal status a looming political problem for the White House.

[...]

The five-count indictment accuses Libby of lying about how and when he learned about CIA official Plame's identity in 2003 and then told reporters about it. The information was classified.

The indictment is available here on the special prosecutor's website; the special prosecutor also offers this press release on the story. CNN also does its own reporting and writes the following.

I. Lewis "Scooter" Libby, Vice President Dick Cheney's chief of staff, resigned on Friday after federal grand jury indicted him on charges related to the CIA leak investigation.