BRUSSELS, December 1. /TASS/. NATO foreign ministers have taken a decision, in line with which hybrid attacks may trigger the application of the article on the pact's collective defense, Secretary General Jens Stoltenberg told a news conference upon the end of the first day of the foreign ministers' conference.

Article 5 of NATO's charter declares that aggression against one member-state shall trigger a military response from all other member-states.