Joni Mitchell is in hospital

There's some grim news this morning from Joni Mitchell's official website:

Joni was found unconscious in her home this afternoon. She regained consciousness on the ambulance ride to an L.A. area hospital. She is currently in intensive care undergoing tests and is awake and in good spirits. More updates to come as we hear them. Light a candle and sing a song, let's all send good wishes her way.

There was a brief update later on:

Joni has been hospitalized. We are awaiting official word on her condition and will post it here as soon as we know.