Nato and Ukraine plan to hold an emergency meeting next week after Russian president Vladimir Putin threatened to strike the West in a coded message.Mr Putin said Russia’s use of its experimental “Oreshnik” missile,

"Our country has the right to target military facilities of states that attack us," the Russian official said.

Russia has alleged its new Oreshnik missiles could reach targets across Europe - and Vladimir Putin has claimed Western defences systems will not be able to stop them.