Gamereactor was present during a press visit at Bungie when news broke about Marty O'Donnell's departure. This is what Bungie COO Pete Parsons read out in a short statement.
"I'm sure many of you have heard the news about Marty O'Donnell. At Bungie, we don't take that kind of thing lightly, we don't make decisions lightly. We're a team that's committed to making an amazing game, set within an amazing universe. We hope you understand today is about that experience that you had yesterday; that's what we're going to be focused on. At this time, we won't be commenting any further."