"Ukraine is not a testing ground for weapons," says president Volodymyr Zelenskyy as he warns Russia wants to "spread fear and panic".

The escalatory attack comes after Ukraine reportedly used US and UK long range missiles to strike targets inside Russia

Ukraine this week used US and British manufactured longer-range missiles inside Russia for the first time. Earlier this week Vladimir Putin approved a revised Russian nuclear doctrine, which included the provision that if a non-nuclear power attacked Russia with the assistance of a nuclear power,