The silent black-and-white surveillance camera video of the Russian missile attack in the Ukrainian city of Dnipro was brief but chilling: Six huge fireballs pierced the darkness and slammed into the ground at astonishing speed.

Russia could launch another hypersonic ballistic missile in Ukraine in the coming days, but Washington does not consider the Oreshnik weapon a game-changer in the war, a U.S. official said on Wednesday.

We assess that the Oreshnik is not a game-changer on the battlefield, but rather just another attempt by Russia to terrorise Ukraine, which will fail,’ a US official said