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

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

U.S. administration officials signaled Monday a peace deal between Russia and Ukraine may be closer than ever.

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.

Ukrainian President Volodymyr Zelenskyy on Sunday voiced readiness to drop his country's bid to join NATO in exchange for Western security guarantees, but rejected the U.S. push for ceding territory to Russia as he held talks with U.

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.

Ukraine could receive security guarantees modeled on NATO’s Article 5 mutual defense pledge under a proposed peace deal with Russia, U.S. officials said on Monday — an unprecedented offer aimed at ending the war sparked by Moscow’s 2022 invasion.

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.

Ukraine has relinquished its ambition of joining the NATO military alliance in exchange for Western security guarantees as a compromise to end the war with Russia, President Volodymyr Zelenskyy said ahead of talks with U.S. envoys in Berlin.