Bulgaria has accused Russia of being behind recent attacks in the Black Sea, as rescue operations continue. The attacks on ships near NATO waters have raised concerns about Russian increase in aggression. This has tested the alliance's response and raised tensions in the region. Romania also accuses Russia for escalating ship strikes in the region. Additionally, Bulgaria and Iran have signed a memorandum of understanding for their Taekwondo federations. The deal aims to strengthen the exchange of knowledge and skills between the two countries in this martial art.