This seems like a pretty big deal given her prestigious position and close ties to Rupert Murdoch.
Updated at 9:17 a.m.: Rebekah Brooks has been arrested by police investigating allegations of phone hacking by the News of the World and allegations that police officers were bribed to leak sensitive information, The Guardian reports.
The Metropolitan police said a 43-year-old woman was arrested at noon on Sunday, by appointment at a London police station.
The article also notes that “an arrest by appointment on a Sunday by police is unusual.”
This story gets bigger every day.