Its capsule should now be on the ground. Word via Twitter is that the beacon signal was picked up from the capsule. It will be tracked and located via helicopter tonight, but they will not go out to retrieve it until daylight, some hours from now.
It's a day both triumphant and sad. Many, many congratulations to the #Hayabusa team!! I will keep Tweeting news as I get it!
Here's the whole video -- the fireball's about 3 minutes in:
And here's an amazing shot from Yomiuri Shimbun, a Japanese newspaper: