Complex sentence: Zaorálek stated that he did not intend to step down as party leader, but some prominent members of the party including Jaroslav Foldyna and Michal Hašek called for a change of leadership.
Split into simpler sentences: Zaorálek stated that he did not intend to leave the party's leadership. Some prominent members of the party such as Jaroslav Foldyna and Michal Hašek called for a change of leadership.