The Latest Breaking News on NATO

Finnish president Alexander Stubb met Sir Keir Starmer in Downing Street on Monday.

At a time of heightened geopolitical tensions between Russia and Ukraine, intensified by strategic dynamics involving the US, Nato and Russia over Europe’s security, nuclear weapons are back on the agenda.

Whether it is by declaring a trade war or by bullying Greenland, visceral hatred is driving American policy, says Guardian Europe columnist Nathalie Tocci

In his final column, the Observer’s foreign affairs commentator says America under Trump is not the first time it has caused trouble for allies

The Kremlin is reportedly eyeing a conventional military offensive

Donald Trump's attacks on NATO and the established world order are undermining the confidence of its allies under the US security umbrella, fuelling fears of an eventual proliferation of nuclear weapons, experts told AFP. Since his return to power in January, the US president has criticised the transatlantic alliance, reopened…

THE CONVERSATION: The panel, chaired by world affairs editor Sam Kiley, will feature Alex Younger, former MI6 chief, and Rachel Ellehuus, director-general of RUSI, discussing global security, US foreign policy under Trump, and the future of Ukraine and Nato

U.S. Vice President JD Vance and his wife will be visiting an American military base in Greenland

Russian President says US plans to take over territory are ‘not eccentric talk’

Not the time to lift sanctions on Russia, say ‘coalition of the willing’ leaders; two die in attack on Kherson. What we know on day 1,129

The Ukrainian president posted a message on X.