A drone that entered Bulgaria from neighboring Romania on Saturday exploded near the border between the two countries and the Trans-Balkan gas pipeline, which links Türkiye to Ukraine, Bulgarian Prime Minister Rumen Radev announced. "The drone exploded in the immediate vicinity of the Kardam border crossing with Romania," near the Black Sea in the country's northeast, "1,000 meters from the Trans-Balkan gas pipeline's compressor station. There were no casualties," Radev said in a video released by the government on social media.