Russia’s suspected sabotage campaign across Europe appears to be gathering pace again, confronting governments with a problem they have struggled to solve since the start of the war in Ukraine: how to impose a meaningful cost on Moscow for attacks that remain deliberately below the threshold of conventional war.
Over the past month alone, an explosives-laden drone was discovered next to a Ukrainian cargo plane at Germany’s Leipzig airport, Poland has faced suspected acts of sabotage, and a string of unexplained explosions and fires have hit defence facilities supplying Ukraine across Europe.
