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.

President Zelensky called the strike in Dobropillia "horrific", accusing Russia of "trying to take as many lives as possible".

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

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

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

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

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.