By Max Hunder, Sabine Siebold and Manuel Ausloos KYIV/BERLIN (Reuters) -"Drones, drones, drones. Only drones. A lot of drones." A weary Ukrainian platoon commander speaks to the transformed nature of modern warfare as he's medically evacuated from the front lines.

A Russian official says American Daniel Martindale has been rewarded with citizenship for spying on Ukraine, "by decree of our President Vladimir Putin."

Russia targeted Ukraine with more than 1,800 drones, 1,200 guided aerial bombs and 83 missiles of various types, President Zelenskyy said.

Daniel Martindale helped the Kremlin target Ukrainian troops and was then spirited out of eastern Ukraine by Russian special forces.

Two Russian agents were killed by Ukrainian security forces Sunday following reports that the Russian operatives assassinated Ukrainian Colonel Ivan Voronych.

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv.

Ukraine’s Security Service said Sunday they had killed Russian special service agents suspected of gunning down a fellow officer in Kyiv earlier this week, saying it believed Russia’s Federal Security Service was responsible.

Ukraine's Brave1 hopes all of its infantry will eventually carry its new anti-drone rifle rounds, designed to fire from NATO-issued rifles.