He urged his supporters to stay the course and tried to convince fence sitters like India and Brazil that there is no middle ground.
President Volodymyr Zelensky of Ukraine landed in Japan on Saturday determined to urge the wealthiest democracies in the world to stick with him as Moscow bets on the West growing fatigued by the cost and consequences of the war.
Mr. Zelensky made a dramatic entry into Hiroshima, landing in a French plane after days in which Ukrainian and Japanese officials insisted, presumably for security reasons, that he would join the leaders at the Group of 7 summit only virtually. He was dressed in his signature hoodie, standing out from the coat-and-tie diplomatic crowd of this annual summit meeting.
Mr. Zelensky, American and British officials say, seems to sense that when he shows up in person, he can both break through American resistance to sending more powerful weapons and pressure nations like India and Brazil that have stayed on the sidelines.
His presence could make it more difficult for them to maintain their stance as fence sitters, several officials said. And even as Mr. Zelensky consulted with countries already in his corner, he sat down with Narendra Modi, the prime minister of India, to make his case for support, much as he had done earlier in the week in Saudi Arabia.
Mr. Zelensky was expected to address the Group of 7 leaders on Sunday as part of his continued efforts to marshal more military aid for his country. He is making his appeals in a city that serves as a sobering reminder of the devastation that arises when a bitter war leads to the use of a nuclear weapon.
Mr. Zelensky plans to go to the peace park that has been built on the island that was ground zero for the explosion in 1945 that ushered in the age of nuclear weapons — an era that has returned amid episodic threats by the Russian president, Vladimir V. Putin, to turn to his own arsenal.
Even before he landed, Mr. Zelensky had won a significant victory: On Friday night President Biden told other leaders he would join the largely European effort to train Ukrainian pilots on how to fly the F-16 fighter jet. Reversing his previous stance, Mr.
