Four Russian aircraft were spotted near Latvia's borders / Photo from flickr.com/photos/resnaate

"Two Su-27 and two An-26 planes were identified flying over the Baltic Sea's neutral waters near Latvia's territorial waters on May 29," the statement said, TASS wrote.

Read alsoPolish Defense Minister: Russian drones repeatedly violate Poland's airspaceAccording to the Latvian defense ministry, Russian warplanes and warships reportedly approached Latvia's borders more than 270 times in 2015 and more than 250 times in 2014.

Read alsoUK Defense Ministry: Royal Air Force Typhoons scramble to meet Russian aircraftIn the meantime, Russian Ambassador to Latvia Alexander Veshnyakov has repeatedly said that all flights of Russian warplanes and movements of Russian warships are made in strict compliance with the international law.

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