In 1990, then-US Secretary of State James Baker told Soviet President Mikhail Gorbachev that NATO would not expand “one inch to the east.” Since then, 19 countries have joined NATO, through nine different bid processes - encroaching on Russia’s border.

Senior Russian diplomats lash out at the US for pushing a publicity campaign to win public support for any “anti-Russia decisions” at the NATO summit in Lithuania.

The UK backs giving Ukraine a pathway to NATO membership amid division among member states.

NATO Security General Jens Stoltenberg has urged the member states to arm Ukraine for an offensive against Russia.

Russia’s foreign minister says the claim of NATO being an exclusively defensive alliance is “ridiculous and disgraceful.”

Strengthening defenses against Russia and backing Ukraine top on agenda as NATO holds summit.

President Vladimir Putin warns against NATO's military build-up near Russia's borders.