Fedorov's office sports a huge video screen with dozens of live feeds from Ukrainian drones flying over the front lines. Together, the feeds provide a vivid glimpse into Ukraine's drone war, in which commanders claim flying robots now account for an estimated 70% of all Russian deaths and injuries.

Ukrainian soldiers describe the drone-infested corridor covering about 10 km either side of the line of contact as the "kill zone" because remotely piloted unmanned aerial vehicles (UAVs) deployed by...

"The enemy increases the production of Shahed drones every day in order to terrorise peaceful Ukrainian cities. Disrupt the enemy's plans and shoot down Shaheds in the dozens."

Ukraine and the United States are in detailed talks on a deal involving U.S. investment in Kyiv's domestic drone production, Ukrainian Prime Minister Yulia Svyrydenko said on Friday.