Dmitry Belik, a member of the Russian State Duma International Affairs Committee, made the remarks in response to the Ukrainian president's stop in Washington on Wednesday, Zelensky's first known trip outside his country since Russia launched a full-scale invasion on February 24.Zelensky gave a historic address to U.S. lawmakers at the U.S. Capitol and met President Joe Biden at the White House for a bilateral meeting.The Ukrainian president thanked the U.S. for providing assistance and assured that the money is "not charity," but an "investment" in global security and democracy "that we handle in the most responsible way."Ukraine "will never surrender," Zelensky said in his 32-minute address to Congress, highlighting the strong bilateral relations between his country and the U.S."During 300 days of this war, we have really begun a new stage in our relations—Ukraine and the USA—we have reached the level of real alliance, which is 100 percent filled with real content," Zelensky said.All this, of course, leads to an aggravation of the conflict and, in fact, this does not bode well for Ukraine," he told reporters."