Russia has stopped all cooperation with the North Atlantic Treaty Organization (NATO), Deputy Foreign Minister Alexander Grushko said in an interview with state media on Monday.

The Western alliance suspended military and civilian cooperation with Russia in the spring of 2014 in response to Moscow’s annexation of the Crimean peninsula. Several disputes, including a naval standoff in the Kerch Strait and the U.S. withdrawal from a Cold War-era nuclear treaty, have further strained ties between Russia and the 70-year-old bloc.

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