22 due to a reported drone threat.The development comes amid escalating tensions in Russia's full-scale invasion of Ukraine.Russian President Vladimir Putin on Nov. 21 said his country had launched its "newest missile," an IRBM called "Oreshnik," in an attack on Dnipro, eastern Ukraine that morning.He said the test was in response to Ukraine targeting facilities in Russia's Kursk and Bryansk oblasts with long-range, Western-supplied ATACMS and Storm Shadow missiles on Nov. 19 and 20.The Oreshnik missile is designed to carry nuclear weapons. However, Putin said it was not armed with a nuclear warhead in this instance.Putin warned that Russia would use weapons against any country whose arms are used to strike Russian targets.Investigation: Who helped Russians increase production of domestic attack drones despite sanctionsAn American-made HIMARS artillery system races down a Ukrainian road as a kamikaze drone hunts it down.