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Zelenskyy says US failed to warn of Russian missile strikes; Rubio cites software issue
Ukrainian President Zelenskyy claimed the US failed to provide advance warning of a Russian missile strike on Kyiv's power plants on Sunday evening, while US Secretary of State Marco Rubio attributed the gap to a software problem in Ukraine's early warning system. The incident has intensified tensions between Kyiv and the Trump administration amid broader disputes over US weapons deliveries and sanctions relief for Russia.
Quick Facts
- Russian ballistic missile attack on Kyiv power plants
- Ukraine claims it did not receive US warning for first wave of strikes
- Ukraine received warning for second wave of strikes at 3 a.m.
- Rubio attributes warning failure to software problem in early warning system
- EUCOM investigating the incident
Related Insights



Ukrainian President Volodymyr Zelenskyy claimed on Monday that the United States did not provide advance warning of a Russian missile attack on Kyiv's power plants late Sunday evening, raising fresh tensions between Kyiv and Washington. Yuri Ihnat, a spokesperson for the Ukrainian air force, confirmed that Ukraine received no warning before a ballistic missile barrage struck around 11 p.m., though a second wave of strikes at 3 a.m. did trigger a US alert. The incident occurred amid an escalating dispute between Zelenskyy and President Donald Trump, with Ukraine also reporting that it had gone without US warnings for at least three days during the previous week.
US Secretary of State Marco Rubio attributed the failure to detect the Sunday strike to a software problem in Ukraine's early warning system. "I know a few nights ago there was a software problem involving their early warning system," Rubio told reporters while visiting Samarkand, Uzbekistan, on October 19. He stated that the United States European Command (EUCOM) was investigating the issue. Rubio denied that the US had paused intelligence sharing with Ukraine, stating: "There's been no pause."
Zelenskyy's public statement highlighted broader grievances with Trump administration policies. He criticized the decision to block supplies of PAC-3 air defence missiles and noted that a recent waiver of sanctions on Russia appeared designed to pressure Kyiv toward capitulation. Trump announced on Friday that he had waived a sweeping sanctions package on Russia, stating the move served US national interests and was intended to facilitate peace negotiations. Trump also wrote on Sunday that Zelenskyy "doesn't care" about ending the war and accused him of prolonging the conflict for financial gain.
For years, the US missile detection system—which uses satellites to identify Russian ballistic missile launches and relay warnings within minutes—has provided Ukraine with crucial advance alerts. However, the circumstances of the Sunday failure remain contested: while Rubio attributed it to a software glitch, Ukrainian officials initially suggested the US had simply withheld the warning. US officials have also cited poor weather over southern Russia as a reason for missed alerts in at least one previous case. On Sunday, Ukraine launched more than 1,000 drones at Russia, setting fire to an oil export terminal and depot in St Petersburg, in one of its largest aerial attacks of the war.
Why This Matters
Ukraine and the US have conflicting accounts of intelligence-sharing procedures during an active missile campaign. If the failure stems from software in Ukraine's systems rather than US non-compliance, the incident signals a technical vulnerability in real-time warning infrastructure during wartime. If the US paused or delayed alerts, it raises questions about continuity of military intelligence support. Either scenario affects Ukraine's air defense response times and casualty rates, and signals the state of US-Ukraine coordination as peace talks remain contested.
Timeline & Sources
Oct 19, 2026
WireFriday prior: Trump waives sweeping sanctions package on Russia
Oct 19, 2026
WireMonday morning (early hours in Samarkand): Rubio tells reporters software problem in early warning system may be responsible for failure to detect first strike
Oct 20, 2026
WireMonday morning: Zelenskyy issues public statement criticizing lack of US warning and condemning Trump administration policies
Oct 20, 2026
WireMonday morning: Reports confirm Ukraine did not receive warning before first strike; received warning before second strike
Related Signals
Sources
- US gave us no warning of Russian strikes on Kyiv power plants, Zelenskyy says | UkraineThe GuardianMediaOct 20, 2026
- Rubio says software problem behind recent air defense failure in UkrainetassMediaOct 19, 2026
- Ukraine không nhận được cảnh báo tên lửa Nga có thể vì 'lỗi phần mềm'VnExpressMediaOct 20, 2026