They haven't done a city yet but

>Robot team captures Russian soldiers in world-first unmanned assault: Ukraine claims https://interestingengineering.com/military/ukraine-robot-te...

>the attack employed a combination of FPV (first-person view) kamikaze drones and ground robotic complexes (GRCs) to penetrate and neutralize fortified Russian positions that had previously repelled human-led offensives.