Protests have erupted in several Ukrainian cities against President Volodymyr Zelensky's surprise dismissal of popular Defense Minister Mykhailo Fedorov.

Organizers cite Zelensky's lack of explanation for sacking Fedorov as key grievance.

President Volodymyr Zelenskyy sacked Mykhaylo Fedorov as defense minister, a dramatic shakeup of his Cabinet that sent shockwaves through Ukrainian political and military circles…