US National Security Adviser Jake Sullivan commented on US President Joe Biden's visit to Ukraine. The adviser spoke about the details of Biden's negotiations with Ukrainian President Volodymyr Zelensky. It is reported by The Guardian.

" They spoke about Ukraine's needs in energy, infrastructure, economic support, humanitarian needs, as well as the political side of things, in particular, the upcoming session of the UN General Assembly on Ukraine, as well as the Ukrainian formula for peace and Ukraine's efforts to. "

Asked if Biden and Zelenskiy talked about specific weapons systems, in particular F-16 fighter jets, that could be provided to Ukraine, Sullivan was vague..

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Earlier, US national security adviser Jake Sullivan said that the White House informed the Russian authorities about the upcoming trip of US President Joe Biden to Kyiv shortly before his departure from Washington.. He did not disclose many details to the agency, but noted that this was done to prevent conflicts and miscalculations that could lead to a direct conflict between the two nuclear-weapon states..