Actress Melissa Gilbert injured on 'Dancing with the Stars'

She tweeted her condition last night.

Some support from fans:

https://twitter.com/#!/Arngrim/status/189560192751505408

https://twitter.com/#!/DrivingMissPeta/status/189538883145437184

https://twitter.com/#!/The_Blewz_Man/status/189573166178373633