President Vladimir Putin said Friday that Russia will continue to test and start mass-producing the hypersonic ballistic missile that it fired at Ukraine Thursday.

In a stark warning to the West, President Putin said the attack with the intermediate-range Oreshnik missile was in retaliation for Kyiv’s use of U.S. and British longer-range missiles.

Speaking on his Telegram channel, Zelensky said Putin was using Ukraine as a "testing ground", and Russia was "so terrified" that it was "already using new weapons". The US Nation