NATO members need to increase their air and missile defenses by 400% to counter the threat from Russia, the head of the military alliance plans to say on Monday.Secretary-General Mark Rutte will say during a visit to London that NATO must take a “quantum leap in our collective defense” to face growing instability and threats,

NATO members lack enough air and missile defenses to counter potential threats from Russia, the leader of the trans-Atlantic military alliance said.

In his Chatham House speech the Secretary General said he expects NATO states to commit to spend 5 per cent of GDP on defence, arguing ‘America has carried too much of the burden for too long’.