Russia could fire its new Oreshnik hypersonic missile at the Ukrainian capital Kyiv in response to Ukraine’s strikes on its territory, President Vladimir Putin said Thursday.The Russian leader made the threat a week after using the experimental weapon for the first time against the Ukrainian city of Dnipro, in a major escalation of the almost three-year war.“We do not rule out the use of Oreshnik against the military, military-industrial facilities or decision-making centers, including in Kyiv,” Putin said at a press conference in the Kazakh capital Astana.For the latest updates on the Russia-Ukraine war, visit our dedicated page.“Authorities in Kyiv today continue their attempts to strike at our vital facilities, including in Saint Petersburg and Moscow,” Putin added.The intermediate-range ballistic missile can travel at a speed of Mach 10, or up to three kilometers (1.8 miles) per second, according to Moscow.In the press conference on Thursday, Putin said the weapon had the