Rybachuk previously served as deputy prime minister.
Yushchenko's previous chief of staff, Olexander Zinchenko, resigned on 3 September, later saying he quit because of high-level corruption in the government.
Zinchenko's accusations sent Yushchenko into crisis management talks yesterday with top government officials.
(IFX-Ukraine/AFP)
Yushchenko's previous chief of staff, Olexander Zinchenko, resigned on 3 September, later saying he quit because of high-level corruption in the government.
Zinchenko's accusations sent Yushchenko into crisis management talks yesterday with top government officials.
(IFX-Ukraine/AFP)