A Ukrainian official says Russia's growing use of harder-to-intercept missiles marks a dangerous new stage as Patriot interceptor stocks run low.

Despite being one of Russia’s most expensive strike weapons, the Zircon carries a relatively small warhead of about 120 kilograms, HUR said.

A Ukrainian official says Russia's growing use of harder-to-intercept missiles marks a dangerous new stage as Patriot interceptor stocks run low.