WashingtonTrump and Putin held a 90-minute call Saturday.
He will meet Ukraine’s Zelensky at the NATO summit July 8, then phone Russia’s Putin again about the war.
Moscow claims Kostiantynivka fell Friday; Kyiv disputes it and says it still controls the city, Zelensky said.
Sources: TASS, NBC News, Hindustan Times, Українська правда, The Kyiv Independent