Escalating Russian and Ukrainian attacks on vessels and port infrastructure have raised risks to commercial shipping across the Black Sea, disrupting grain and energy routes and prompting warnings of further pressure on global food supplies in the autumn.

Russian attacks on Black Sea ports have halted Ukraine's grain exports, threatening over 30 million tons of shipments and up to $3 billion in

Escalating Russian and Ukrainian attacks on vessels and port infrastructure have raised risks to commercial shipping across the Black Sea, disrupting grain and energy routes and…