Ukrainian troops stormed across the border into Russia’s Kursk region nearly two weeks ago, seemingly taking Moscow by complete surprise.
Kyiv has taken out the spans crossing the River Seym to the west of its surprise invasion inside Vladimir Putin's country.
Mykola Oleshchuk, released a video Friday of an airstrike that cut a bridge in two.
A map shows the swathes of the Kursk region that Ukraine may gain control over now that three bridges used to prop up Russian military logistics are believed to have been destroyed.