The Latest Breaking News from NATO

Russian artillery bombarded residential districts of Ukraine's second largest city Kharkiv on Monday, killing possibly dozens of people, Ukrainian officials said, as Moscow's invading forces met stiff resistance from Ukrainians on a fifth day of conflict. The attacks took place while Russian and Ukrainian officials met on the Belarusian border…

A strong tradition of partisan warfare in Ukraine sees ideas of 'territorial defence' – insurgent groups fighting small actions – deeply ingrained.

Ban comes into force as Russian rouble collapses following heavy heavy sanctions by west

As the Russian offensive enters its eighth day, we track where the fighting is happening and how we got here.

No matter how Vladimir Putin's invasion of Ukraine ends, it already marks a turning point in history: the end of a 30-year period of relative peace in Europe and a return to hostility between Russia and its neighbors — a kind of Cold War 2.0.

It comes after Vladimir Putin said that leading NATO powers had made "aggressive statements" about Russia following a raft of sanctions against the state

Truss says officials ‘working through the night’ to draw up sanctions against oligarchs; Kwasi Kwarteng in Commons on economic crime bill

NATO partners are providing Ukraine with air-defence missiles and anti-tank weapons, NATO Chief Jens Stoltenberg said in a tweet on Monday, adding that he had held another phone conversation with Ukraine's president earlier.

Russia-Ukraine news from February 28: UN General Assembly held its first emergency session in decades over Ukraine.

Russian president Vladimir Putin overnight ordered the defence minister and the chief of the military to put nuclear deterrent forces in a “special regime of combat duty”, possibly referring to readying tactical nuclear forces.

Russian President Vladimir Putin is talking about nuclear "deterrent forces" being on "high alert". But what does that mean, and what does he have in his arsenal?