"While China denied US accusations that it had conducted a test of nuclear-capable hypersonic missiles in August, Russia tested its own Tsirkon hypersonic missile earlier this month, successfully firing the high-tech projectile from a nuclear submarine. On Thursday, Moscow also confirmed another successful test of a missile capable of carrying hypersonic warheads."

[link to www.rt.com (secure)]

who would lie about it ? why would China deny it ?