The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the time of eruption.

Sun unleashes intense X-class solar flare, triggering radio blackouts across Australia

Source: space
Source Link: https://www.space.com/astronomy/sun/sun-unleashes-intense-x-class-solar-flare-triggering-radio-blackouts-across-australia