KYIV: Russia will step up attacks on vessels in the Black Sea, President Volodymyr Zelensky said on Thursday, accusing Moscow of plans to undermine Ukraine’s grain corridor. Ukraine’s Interfax news agency cited Zelensky as saying that Moscow wants to block the grain corridor operating at sea.

Russian attacks on Black Sea merchant ships have killed ten people, disrupting Ukraine's grain corridor near Odesa and pushing global wheat prices higher.

Ukrainian attacks in and around the Sea of Azov have sharply reduced Russia's grain exports at the start of the new agricultural season, leaving millions of tons of grain stranded…