Finland says that a Russian Air Force Mi-17 violated its airspace this morning, flying "four to five kilometres" inside Finnish airspace. The incursion comes ahead of an expected Finnish application to join NATO.
Finnish prime minister Sanna Marin says Finland will decide on NATO membership within "weeks", after Russia warned the country against joining the Western military alliance.
Prime Minister Sanna Marin says that a decision on Finland joining the NATO military alliance must be made before this summer, stating that "Russia is not the neighbor we thought it was".
Ukrainian President Volodymyr Zelenskyy says that he will consider dropping Ukraine's request to join NATO in exchange for a ceasefire.
In an interview with ABC News, Ukrainian President Volodymyr Zelenskyy says that Ukraine is open to holding discussions about the Russia-recognized Donetsk and Luhansk separatist regions in eastern Ukraine. He also concedes that his country may no longer be prepared to be accepted into NATO.
The Assembly of the Republic of Kosovo approves a resolution urgently requesting the government to begin negotiations for the country's entry into NATO.
Russian foreign ministry spokesperson Maria Zakharova warns both Finland and Sweden that they could face "detrimental military and political consequences" if they attempt to join NATO.
The Belgian Air Component informs on Twitter that yesterday, Belgian F-16s operating in the Baltic region for NATO's Baltic Air Policing mission, "intercepted" Russian Flanker jets, allegedly because they had no flight plan.
Following his meeting at Finnish President Sauli Niinistö's residence, Russian President Vladimir Putin says that Russia would respect Finland's choice whether to join NATO, though as part of NATO's military infrastructure, Finnish Defence Forces would overnight be at the borders of the Russian Federation. Putin and Niinistö call for improved security in Baltic airspace where Russian and Western aircraft have had close encounters in recent months.
NATO Secretary General Jens Stoltenberg announces the invitation sent to Montenegro to join the military alliance, 16 years after the country, as part of the Federal Republic of Yugoslavia, was bombed by the alliance in the Kosovo War. Montenegro's accession would result in "retaliatory actions", according to a spokesman for Russian President Vladimir Putin.
Russian President Vladimir Putin's personal envoy warns Finland against joining NATO.