Storm Goretti has brought the 'worst snowfall' in a decade to Britain

Storm Goretti has brought the 'worst snowfall' in a decade to Britain with flights at major airports grounded, roads blocked and rail lines closed.Cornwall was under a strict red warning until 11pm on Thursday night - with residents urged to stay indoors while up to 99mph winds rocked St Mary's in the Isles of Scilly.Meanwhile, much of the rest of Britain including the Home Counties has been on alert for heavy snow.More than 65,000 properties were left in the dark without power on Thursday evening, the National Grid said - most in southwest England. As many as 11,000 properties were affected in the West Midlands and a few thousand in Wales.