Oleh Syniehubov, the head of the Kharkiv regional military administration called Izyum the "hottest spot" in the northeastern province, amid ongoing fighting between Ukrainian and Russian forces.

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"The 'hottest spot' remains in Izyum, where Ukrainian Armed Forces are having success in combat," he said in televised remarks.

Syniehubov claimed a "big enemy military equipment convoy that was moving towards Izium direction was destroyed" by Ukrainian forces, but provided no further specifics. CNN could not verify that claim.