The Ukrainian Air Force reported the presence of three unmanned aerial vehicles (UAVs) in the Vasylkiv sector of the Kyiv region between 10:02 PM UTC and 10:17 PM UTC on September 15th, 2025. During the same period, the Air Force also indicated a UAV threat in the Fastivskyi district of the Kyiv region. This activity follows reports of multiple drone movements and threats across Ukraine in the preceding hours. Previously, between 9:47 PM UTC and 10:02 PM UTC, eight UAVs were reported past the Bilotserkovsky district of Kyiv region, with others noted in the Zhytomyr region. Other reports from that period indicated six UAVs past Obukhov moving northerly, with a course change towards Fastov. Earlier in the evening, from 9:02 PM UTC to 9:47 PM UTC, the Ukrainian Air Force had issued multiple alerts for ballistic threats and various drone movements, including targets heading towards Vinnytsia and the Kyiv region, as well as activity in Zaporizhzhia, Kirovohrad, Mykolaiv, Odesa, and Donetsk regions.