Bulgaria blames Russia of being behind recent drone strikes in the Black Sea, as search and rescue efforts 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 blames Russia for escalating ship strikes in the region. Additionally, Bulgaria and Iran have signed a cooperation contract for their Taekwondo federations. The deal aims to promote the exchange of knowledge and skills between the two countries in this martial art.