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

Amid the ongoing Russia-Ukraine war, tensions between the military alliance, which supports Kyiv in its defense efforts, and the Kremlin have continued.

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.

European leaders are making clear ahead of the Trump presidency that they plan to spend more on defense as Russia remains a top threat and as security concerns in the Middle East and North Africa escalate.

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.

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.

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.

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,

Zelensky said more than 70 missiles, including ballistic missiles, and more than 100 attack drones were used to strike Ukraine’s power sources.US President Joe Biden denounced the "outrageous" attack and said he asked the US Defense Department to push forward with a new surge of military aid to Kyiv.