President Rumen Radev said Bulgaria would redeploy troops and soldiers to the borders to detect drones and employ anti-drone measures. (AFP pic)SOFIA : Ukraine on Saturday denied targeting Bulgaria after a drone exploded close to the strategic Trans-Balkan gas pipeline linking Turkey to Ukraine near the Romanian border. Romania has faced frequent drone incursions since the start of Russia’s full-scale invasion of Ukraine in 2022 — — including some crashes on its territory. Several recent incidentsBulgaria, Romania and Turkey all front onto the Black Sea, an arena of drone combat by both Ukraine and Russia which has seen attacks on civilian sihps. Turkey had already on Tuesday denounced Black Sea drone attacks on two Turkish civilian vessels the previous day, in which some crew members were injured.