In the darkness near Gorni Varpishta, an ammunition warehouse burned and exploded, leaving no casualties but raising a question that now echoes across Europe: how far does Russia's shadow war extend? Bulgarian authorities and the defence company EMCO — whose weapons flow to Ukrainian forces and whose owner survived a poisoning attributed to Russian agents — are investigating what the company calls deliberate sabotage. The incident is not singular; it belongs to a widening pattern of suspicious fires at defence facilities across NATO and EU territory, suggesting that the conflict in Ukraine is