Heathrow cancels 260 flights, blames snow
London's Heathrow airport canceled 260 flights, about 20 percent of its usual schedule on Sunday because of snow and low visibility, causing a third day of misery for travelers.
Flights have been disrupted since Friday at Heathrow, one of Europe's busiest airports, which has seen long lines and stranded passengers camping out on its terminal floors. (AP)
