Estonia says Russia's ambassador has been summoned to the foreign ministry in Tallin to explain a brief airspace intrusion by a Russian spy plane. NATO says the plane was intercepted by alliance fighter jets.
Deutsche Welle: Estonia queries Russia over airspace incursion
A photo taken on April 29, 2014 shows a French Rafale jet fighter flying over France. Britain and France deployed eight fighter jets on April 28 to reinforce NATO air patrols over the Baltics as tensions rise with Russia over Ukraine.
