"There are currently no ways of countering this weapon. The missiles attack targets at a speed of 10 Mach, that's 2.5-3 km per second," he said."We are ready for any developments. If anyone still doubts this, they shouldn't. There will always be a response."Putin said the "new missile" was called "Oreshnik," but analysts and officials have since questioned the novelty of the weapon, as well as how effective it could be to prevent allies' support of Ukraine. Sign up for our newsletter