British-made Storm Shadow missiles have been fired into Russian territory by Ukraine for the first time. Telegraph readers have said the situation is now “spiralling out of control at an alarming rate”. Ukraine’s defence minister avoided confirming that his country used UK-made long-range missiles at a press conference on Wednesday.

Prime minister has not yet set out whether he will give go-ahead for long-range missiles from Britain’s own arsenal to be used by Ukraine to strike Russia.

Anglo-French Storm Shadow missiles are costly but have been crucial for Ukraine in penetrating armoured Russian bunkers and arsenals as these missiles are lethal when launched from air