<p><br /> Switzerland's Glacier Express tourist train has derailed, killing one person and injuring 42 others.<br /> </p><p><br /> Police said six of the injured were in serious condition. Most of the passengers were Japanese tourists, according to police.<br /> </p><p><br /> The Glacier Express - dubbed the "slowest express train in the world" - is known as much for its majestic mountain climbs as for its pedestrian 18-miles-per-hour average speed.<br /> </p><p><br /> Authorities said two of the train cars drove off the tracks and a third tipped over, but the cause of the accident was unknown. The three cars were at the back of the train.<br /> </p><p><br /> The derailment took place near the town of Fiesch and the mouth of the Aletsch glacier, Europe's largest icemass.<br /> </p><p><br /> The 80-year-old Glacier Express runs several times a day all year round, carrying some 250,000 passengers a year.<br /> </p><p><br /> The accident was the country's worst rail mishap since 2006, when three men died after a runaway train travelled for miles without brakes before crashing into another train.<br /> </p>
