MOSCOW, April 8. /TASS/. Russia’s Foreign Ministry summoned Japanese Ambassador to Moscow Akira Muto over an investment agreement that a Japanese company signed with a Ukrainian drone producer, Foreign Ministry Spokeswoman Maria Zakharova said at a briefing.

"Japan’s ambassador was summoned by the Russian Foreign Ministry today. A protest was lodged over reports of an investment agreement between the Tokyo-based Terra Drone Corporation and a Ukrainian producer of attack drones," she noted.