Mark Rutte, NATO Secretary General, warned in Berlin that Russia could attack a NATO member within five years, urging allies to rapidly increase defense efforts and prepare for large-scale conflict reminiscent of the World Wars.Rutte emphasized Russia as the primary threat, sustained by significant Chinese technological support, while Vladimir Putin declared Russia "ready for war" and Sergei Lavrov outlined Russian "red lines."The NATO chief stressed the need to support Ukraine and enhance munitions production to deter aggression, highlighting that such a devastating war is preventable if NATO takes decisive action, despite Donald Trump's critical remarks about Europe.