Tensions along NATO's eastern flank are high because of the risks posed by Russian military actions near the borders of alliance member states.

Ahead of leaders from the North Atlantic Alliance, concerns are growing that they will not be able to defend Europe from Russia without US support. For them, Ukraine's victory over Russia is now essential,

Russia launched a huge Christmas Day attack on Ukraine with cruise and ballistic missiles, as well as drones. The Russian attack wounded at least six people in the northeastern city of Kharkiv and killed one in the region of Dnipropetrovsk, the governors there said.

Russia is keen to disrupt, weaken or even divide NATO and one way of encouraging that might be to convince the U.S. that war is coming with the alliance in Europe and to ask America if it wants to be dragged into it. This especially matters as Trump's incoming administration forms its policies toward NATO and Russia.

Ukrainian President Volodymyr Zelenskiy said on Monday that more than 3,000 North Korean soldiers have been killed and wounded in Russia's Kursk region and warned that Pyongyang could send more personnel and equipment for Moscow's army.

The popularity of weapons training in Finland has soared in recent months, driven by concerns over expansionist neighbor Russia.

The transfer marks the end of an era when Russia played an arguably oversized role in determining which countries could operate in Syria’s contested airspace.

NATO’s secretary-general says he wants to discuss ways to put Ukraine in a position of strength for any future peace talks with Russia during a meeting Wednesday with Ukraine’s president and a small number of European leaders.

President-elect Trump’s choice for special envoy to Ukraine and Russia, retired Lt. Gen. Keith Kellogg, slammed the Russian military missile and drone attack on Christmas Day and said the U.S. is “more resolved than ever to bring peace to the region.

To understand recent fears about the possible escalation of Russia’s war on Ukraine into a nuclear conflict, we must revisit its beginnings, where the groundwork for this crisis was laid. “I believe that NATO would not directly interference in the conflict even in this scenario,

Nato is “not ready” to fight against Vladimir Putin’s Russia without the US, the leaders of the alliance’s three frontline states have told The Independent, as they called on allies to drastically increase defence spending. In the wake of Donald ...