Strongest solar flare of 2025 erupts from sun, sparking radio blackouts across Europe, Asia and the Middle East

X2.7-class eruption from sunspot AR4087 disrupts radio signals as the active region rotates toward Earth, raising the risk of more flares ahead.

https://www.space.com/astronomy/sun/strongest-solar-flare-of-2025-erupts-from-sun-sparking-radio-blackouts-europe-asia-middle-east