- The Swedish government on Monday announced that it has officially decided to apply for membership of the North Atlantic Treaty Organization (NATO). The decision came a day after the Finnish leaders announced Finland would apply to join the defense alliance.

- Sweden and Finland's accession to NATO "does not pose a threat but will trigger a response," Russian President Vladimir Putin said on Monday at a summit of the Collective Security Treaty Organization (CSTO) in Moscow.

- The Ukrainian troops defending the Kharkiv region have pushed back the Russian military to the state's border with Russia, Ukraine's Ministry of Defense announced Monday on social media.

- The Russian defense ministry said a humanitarian corridor has opened at Azovstal steel plant in Mariupol on Monday.