NATO has issued a strong warning to Russia: Repeated violations of airspace will use force, including shooting down fighter jets

European diplomats warned the Kremlin this week that < b > NATO was prepared with all its options of force, including the downing of the Russian plane, in response to further Russian airspace violations , according to officials familiar with the matter. In a tense meeting, British, French and German ambassadors expressed concern about the incursion into Estonian airspace last Wednesday by a MiG-31 fighter jet. After the meeting, they concluded that the incursion was a deliberate tactic ordered by Russian commanders. Officials said a Russian diplomat during the meeting told the European side that the incursions were in response to the Ukrainian attack on Crimea. The Kremlin said the operations would not have been possible without NATO support, so Russia believes it is already in a state of confrontation with European countries.