At least four people were killed in a Russian attack, Ukraine said, amid concerns about air defenses after the U.S. said it was suspending military and intelligence aid.

Russia launched two ballistic missiles and 178 drones at Ukraine during the night of March 15. Air defense shot down most of the drones, according to the Air Force of the Ukrainian Armed Forces. "On the night of March 15,

Yet, Kyiv has not taken responsibility for the incident, and it remains uncertain if the explosion resulted from a missile or drone attack. According to MailOnline, the Kyiv-based

President Vladimir Putin and the Kremlin place heavy emphasis on their image as protectors and guarantors of security for the Russian people. Ukrainian large-scale strikes directly discredit that image.