[Maria purses her lips a bit, because there's a lot of potential answers to that.] Possibly. Or other than both of those, it could have been orchestrated. This isn't the first time we've had an attack conveniently timed to us being preoccupied with something else.

[Amaterasu's temple fire is the most obvious example she can think of, but she's also not discounting the possibility it's happened before or since.]