Mark Rutte warns allies to start ramping up preparations "for the scale of war our grandparents or great-grandparents endured".

NATO Secretary General Mark Rutte warned Thursday that members of the alliance could be “Russia’s next target,” calling for a rapid rise in defense spending to prevent a war similar to those seen by past generations.

Former Swedish Foreign Minister Tobias Billström said after the Ukraine war, Europe must be ready for further Russian aggression.

The Kremlin said on Sunday that NATO Secretary General Mark Rutte's remarks about preparing for war with Russia were irresponsible and showed that he did not really understand the devastation wrought by World War Two.

Secretary-General Mark Rutte chastised some allies for moving too slowly when it comes to ramping up defense spending.

Estonia has started constructing concrete bunkers along its border with Russia as nations on NATO’s eastern flank rushes to build up land defenses. The Baltic states of Estonia, Latvia and Lithuania signed an agreement in January 2024 to beef up protection along their land borders with Russia and Moscow’s key ally, Belarus.

Russia's growing aggression prompts NATO warning as recent railway blast in Poland and airspace violations signal escalating security threats across Europe.

As Georgia balances its aspirations to join NATO against mounting pressure from the Russian Federation, a new security partnership is taking shape in the South Caucasus.