Mykhailo Fedorov was Ukraine’s fourth defence minister to serve in the role since Russia launched its full-scale invasion of the country, but the first whose ouster has led to public backlash.

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…