evidence: Secretary of State Antony Blinken related the Biden administration's support for Ukraine during an unannounced visit to the country on Wednesday, his fourth trip to the country since Russia's invasion, the State Department confirmed. [...] "Secretary of State Antony J. Blinken arrived in Ukraine today to meet with senior Ukrainian officials and demonstrate the United States' unwavering commitment to Ukraine's sovereignty, territorial integrity, and democracy, especially in the face of Russia's aggression," State Department spokesperson Mathew Miller said in a statement. [...] Blinken previously visited Ukraine in April 2022, when he traveled to Kyiv with Defense Secretary Lloyd Austin and in September 2022, when he again stopped in Kyiv for meetings and toured Irpin in the Bucha district.