evidence: U.S. Secretary of State Antony Blinken arrived in Kyiv on Tuesday in an unannounced diplomatic mission. He landed in Poland on the way there. [...] In this photo provided by the Ukrainian Presidential Press Office, U.S. Secretary of State Antony Blinken attends a meeting with Ukraine’s President Volodymyr Zelenskyy in Kyiv, Ukraine, Tuesday, May 14, 2024. Blinken arrived in Kyiv on Tuesday in an unannounced diplomatic mission to reassure Ukraine that it has American support as it struggles to defend against increasingly intense Russian attacks. (Ukrainian Presidential Press Office via AP) [...] KYIV, Ukraine (AP) — U.S. Secretary of State Antony Blinken sought Tuesday to rally the spirits of glum Ukrainians facing a fierce new Russian offensive, assuring them during a visit to Kyiv that they are not alone and that billions of dollars in American military aid on its way after months of political delays will make a "real difference" on the battlefield.