According to a report by X account @__Inty__ on October 20, 2026 Beijing time, U.S. Secretary of State Rubio said that the United States has not changed the deployment posture or scale of its personnel in Kyiv. Regarding the Ukrainian side's claim that it received no warning before Russian forces struck Kyiv last night, he said he was not aware of the specific details, and mentioned that the early warning system had experienced a software malfunction a few days ago, and that the U.S. European Command had participated in an investigation and submitted a report.