21 shows that Russian President Vladimir Putin "is using Ukraine as a testing ground," President Volodymyr Zelensky said."Today (on Nov. 21), it was a new Russian missile. Its speed and altitude suggest intercontinental ballistic capabilities. Investigations are ongoing," Zelensky said in a statement on social media.Russian forces launched the conventional ICBM, along with seven cruise missiles and a Kinzhal ballistic missile, against the central-eastern city of Dnipro on the morning of Nov. 21, the Air Force reported earlier.At least two people were injured, and several buildings, including a rehabilitation center for people with disabilities, were damaged. The Air Force reported downing six of the cruise missiles.This would mark the first occasion of Russia deploying an ICBM in the war against Ukraine, coming shortly after the U.S.