Russia said Saturday that it was suspending the agreement, blaming strikes on its naval fleet, and on Sunday suggested without evidence that the drone attacks were launched from the Odesa region, center of the grain export program.Senior Russian officials have spent weeks criticizing the export deal ahead of a Nov. 19 renewal deadline, and Ukraine accused Russia of delaying progress through the safe-passage corridor to create a growing backlog of ships.Ukraine is one of the world’s biggest wheat, corn and vegetable oil providers, and the bulk of its exports go by sea.But exporters and officials have been warning for weeks about the ballooning backlog of ships waiting for inspection to proceed.Most Read from Bloomberg BusinessweekWhen Netflix and HBO Turned on Each Other, They Forged a New Era of TelevisionStudent Debt Headaches Return for Millions Despite Biden ReliefWhat the Alzheimer’s Drug Breakthrough Means for Other DiseasesFlights to Asia Are Finally Back, But Russia Airspace Bans Cause Onerous DetoursOne Way to Boost Profits and Reduce Inequality?"