Speaking in Kiev late on Saturday, Ukraine's ex-premier Yulia Timoshenko urged protesters on Independence Square not to disperse until they "fulfill all that was planned", ITAR-TASS reported.
Her speech is broadcast by local television.
The ex-premier has been carried out from the clinic on a wheelchair, but she is in cheerful mood.
The ex-premier, who has been freed, has left for Kiev by special flight.
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