German prosecutors have arrested a Ukrainian national in Brandenburg on suspicion of spying for Russia, amid rising concerns over Russian sabotage against NATO facilities.
Bulgaria summoned the Russian ambassador after drones struck two merchant ships off its Black Sea coast, sinking one vessel and injuring five crew members in the latest maritime escalation.
The EU condemns drone strikes on cargo ships in NATO waters after three vessels were hit in the Black Sea, killing sailors and escalating hybrid warfare concerns.
