At least one person has died and several others injured after Moscow experienced its heaviest day of snowfall since records began.<br /> Forty-three centimeters had blanketed the Russian capital by Sunday morning, which Russia's meteorological service says is more than half of the average monthly snowfall in the space of a day. <br />Officials say the casualties came from a falling tree that hit an electric power line. <br />The heavy snow, accompanied by freezing rain, has also cut power to thousands of people and has led to dozens of flights being delayed or canceled. <br />