Russian President Vladimir Putin says Moscow has tested a new intermediate-range missile in a strike on Ukraine and that it could use the weapon against countries that have allowed Kyiv to use their missiles to strike Russia.

Ukrainian President Volodymyr Zelenskyy said Thursday that his “insane neighbor” is once again showing the world its true nature, “its disdain for dignity, freedom, and human life itself.

President Vladimir Putin said on Friday that Russia would keep testing its new Oreshnik hypersonic missile in combat and had a stock ready for use. Putin was speaking a day after Russia fired the new intermediate-range weapon into Ukraine for the first time,