BRUSSELS, July 3. /TASS/. NATO leaders are expected to reiterate that Russia poises a long-term threat to Euro-Atlantic security at a summit set to be held in Ankara, Reuters reported, citing a text approved by NATO ambassadors.

The document says that Russia poses "a long-term threat" to "Euro-Atlantic security and stability," the news agency noted.

According to Reuters, all participants in the summit, including the United States, are expected to affirm an "ironclad commitment" to collective defense.