STOCKHOLM (AP) — Swedish Prime Minister Magdalena Andersson announced Monday that Sweden will join Finland in seeking NATO membership in the wake of Russia’s invasion of Ukraine.

The historic shift, which comes after more than 200 years of military nonalignment in the Nordic country, is likely to upset the government of Russian President Vladimir Putin.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.

STOCKHOLM (AP) — Sweden has decided to follow neighboring Finland and apply for NATO membership, ending more than 200 years of military nonalignment because of Russia’s invasion of Ukraine, officials said Monday.

Prime Minister Magdalena Andersson called it “a historic change in our country’s security policy” as she addressed lawmakers in the Swedish capital.

“Sweden needs formal security guarantees that come with membership in NATO,” Andersson said, adding that the country was acting together with Finland, whose government announced on Sunday it would seek to to join the alliance.