In Romania, which borders Ukraine to the country's southwest, the Defense Ministry in Bucharest said that two Romanian F-16 ...

Lithuanian President Gitanas Nausėda revealed he sent two letters to Trump urging U.S. troops to stay on NATO's eastern flank ...

Nato jets have been scrambled after a Russian military helicopter flew 1,000ft into Poland's airspace.  The Russian military Mi-8 helicopter made a brief incursion into Nato member Poland's airspace ...

A Russian Mi-8 helicopter crossed nearly 1,000ft into Polish airspace on Wednesday morning as Russia pounded Ukraine with daytime strikes that killed at least seven people ...

Polish Prime Minister Donald Tusk warns that Russia is planning hybrid strikes with drones and rockets on European countries ...

It is the latest provocation in a chain that has seen alleged Russian hybrid attacks taking place across allied NATO territory.

A number of European leaders have signaled that Russia is provoking nearby NATO countries. NATO’s article 5 is clear: an ...

In the wake of intelligence reports that Russia may be planning an attack on NATO, questions have arisen over whether ...

Russia has for years targeted NATO with hybrid attacks, including disinformation and sabotage campaigns, officials say.

Russia could test NATO’s Article 5 defense pledge with a limited Estonia incursion, raising fears of alliance division and wider conflict.

Facing an increasingly aggressive Russia and with equivocal commitment from the US, Nato faces a number of important ...

Across the eastern flank of NATO this month, capitals from Prague to Riga have been talking less about intent and more about physical preparation. European intelligence chiefs have gone public with ...