Bulgaria's PM says that two ships off Bulgaria's Black Sea Coast were hit by drones, and one sank

Strikes on commercial or neutral-flag shipping in the Black Sea have been a recurring feature of the conflict in the region, and the established pattern is that the first transmission channel is insurance and freight rather than physical supply: war-risk premia for Black Sea transits reprice quickly, underwriters tighten terms, and some owners suspend calls pending clarity on attribution. A Bulgarian coastal location matters because it sits inside NATO and EU waters, which distinguishes this from strikes in the northern Black Sea; episodes touching alliance territory have historically prompted a diplomatic and consultative response cycle rather than an automatic military one, with the key question being whether attribution points to a state actor and whether the vessels were targeted deliberately or caught as collateral. The PM being the source suggests Sofia is treating this as a national security event rather than a maritime accident. What tends to follow is an attribution contest, a flag-state and port-state response, and watch on whether grain and energy corridors out of the region see rate and insurance dislocation. Prior form in comparable episodes is that markets fade the initial move unless escalation broadens to sustained interdiction of shipping lanes. The next tells are official attribution, any NATO or EU statement, and war-risk quotes for the western Black Sea.