Three Spanish cross-country skiers have died in the Swiss Alps after being engulfed by an avalanche on Saturday.<br /> Police in the canton of Valais say two fellow skiers survived after another group of skiers alerted authorities of the incoming avalanche. <br />The five Spaniards were crossing the famed Aletsch Glacier in southern Switzerland and heading to the Fiescheralp area. <br />Heavy snowfall has blanketed the Alps over the past few days, prompting avalanche warnings. <br />
