The Russian Defense Ministry said Tuesday a complex of measures is being designed to respond to "such incidents" after hours of downing a Russian warplane on the Turkish-Syrian borders.

In a statement, the ministry said that the Defense Attaché at the Turkish Embassy in Russia was urgently summoned to the Russian Ministry of Defense where he was presented an official protest concerning the actions of the Turkish Air Force.

"Today at 9:30 the Russian aircraft, which performed combat counter-terrorist missions was shot down by an aircraft of the Turkish Air Force. The Russian aircraft did not cross the Turkish border and acted only against objects on the territory of Syria," the statement read.

"Combat actions of the Russian aviation were conducted against illegal terrorist formations, which consist of a large number of militants from the Russian North Caucasus," the statement said.

"Efforts of the Russian Defense Ministry specialists to organize cooperation with the Turkish party by emergency communication link were not successful," it added.

The Russian Defense Ministry said that it considers actions of the Turkish Air Force as an "unfriendly act."

"At present, the Russian Defense Ministry Combat missions against terrorists in Syria will be continued," the statement concluded.

Sources: MENA