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"Glad to meet with President of the United States Donald Trump. We are discussing ways to cement Ukraine-U.S. relations," the Ukrainian president tweeted on Thursday, September 21.

Read alsoTrump at UNGA: "We must reject threats to sovereignty – from Ukraine to South China Sea"According to earlier reports, the Poroshenko-Trump meeting was scheduled to begin at 17:30 Kyiv time on Thursday. It is expected to last for an hour.

Poroshenko on September 18 started his working visit to the United States.