The United Nations, Turkey and Ukraine have pressed ahead with the implementation of the Black Sea grain deal despite Russia's withdrawal from the pact.
Brazilians are voting in a tense election to choose between re-electing far-right President Jair Bolsonaro or returning leftist former President Luiz Inacio Lula da Silva to office.
Russia has suspended participation in a U.N.-brokered deal that allowed grain exports from Ukraine after what it said was a major Ukrainian drone attack on its fleet in Crimea.