Ukraine fights under an interim defense chief after Zelenskyy's contested government shake-up

Ukraine fought Russia's more than 4-year-old invasion under an interim defense minister Friday, a day after a government reshuffle exposed a deep split between the military's old guard and young innovators over how to fight the war.

Ukraine fought Russia's more than 4-year-old invasion under an interim defense minister Friday, a day after a government reshuffle exposed a deep split between the military's old guard and young innovators over how to fight the war.