STORY: On Nov. 21 Russia struck Ukraine's Dnipro with a new kind of missile.Known as Oreshnik, or hazel tree in Russia, it caused limited damage, according to senior officials. But the first combat use of such a design – which Russian President Vladimir Putin called unstoppable – has drawn scrutiny from Western military experts.

The Pentagon says the Oreshnik is a tweak of Russia’s RS-26 Rubezh missile, an intercontinental ballistic missile (ICBM) that has been tested since 2011.

A new intermediate-range ballistic missile called Oreshnik used by Russia in a strike on Ukraine this month is a state-of-the art weapon that the West cannot intercept, President Vladimir Putin has said.

Russia’s new ballistic missile flies on a high arc out of Earth’s atmosphere and releases multiple high-speed projectiles, making it challenging but not impossible to intercept

In reaction to Putin's statements about the Oreshnik missile, Ukraine's MFA stresses the necessity of strength and cooperation among nations to deter aggression.

Russian President Vladimir Putin says the new Oreshnik hypersonic missile used against Ukraine this week will go into serial production and is "ready to be used" again if necessary.

Russia's new Oreshnik missile is capable of carrying nuclear weapons. However, it is not yet known what kind of explosives, if any, the missile used to hit the Dnipro, The New York Times reports. According to the agency,