Ukrainians are demonstrating in Kyiv and senior figures announcing their resignations over President Volodymyr Zelenksyy's move to oust his popular defense chief.

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…