Guterres said that the country's biggest export hub, Odesa, would be reopened along with ports in Chernomorsk and Yuzhny.
The European Union's top diplomat, Josep Borrell, said the bloc welcomed the deal, calling it in a tweet "a critical step in overcoming the global food insecurity caused by Russia‘s aggression against Ukraine."
Speaking separately at the Aspen Security Forum in the U.S. state of Colorado, senior U.S. diplomat Victoria Nuland praised the level of detail of the agreement.
"It's now incumbent on Russia to actually implement this deal. But it is very well-structured in terms of monitoring and in terms of channels that the grain ought to be able to get out of," said Nuland, undersecretary of state for political affairs.
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