It began with a peace move nobody wanted and ended with an experimental missile strike so rare in war Moscow gave a 30-minute heads-up to Washington.

The Kremlin says that the firing of a hypersonic missile and an address by Vladimir Putin are clear messages to the West - describing the move to let Ukraine use their weapons to strike Russia as "reckless".

Russia President Vladimir Putin says Moscow fired a new medium-range hypersonic ballistic missile at a military facility in the south-central Ukrainian city of Dnipro, in response to what he calls Western aggression after Kyiv got the green light to fire missiles deeper into Russia.