Ukraine on Sunday showed journalists fragments of the Russian missile used to strike the city of Dnipro last week, after Moscow said it had tested its new Oreshnik ballistic missile. Russia on Thursday carried out a strike on the city which President Vladimir Putin said was a test of its new Oreshnik hypersonic intermediate-range ballistic missile

Hours after the strike, Russian President Vladimir Putin, in a TV address, said that Russia had launched a "new conventional intermediate-range" missile with the codename Oreshnik, meaning hazel tree in Russian.

Russia gave the U.S. a brief advance warning of the intermediate-range ballistic missile strike on Ukraine prior to the attack, according to comments a U.S. administration official made at a briefing on Nov.