LONDON (AP) — An Alpine rescue in the Swiss Alps played out over the blogging Web site Twitter ended in tragedy after a snowboarder was found dead, British media and Swiss authorities said Tuesday. Police in the Swiss canton of Valais said a 29-year-old fell off a cliff in foul weather Monday evening near Verbier, a ski resort near the French border popular with British tourists. British media identified him as Rob Williams, an entrepreneur. Another snowboarder, identified as Jason Tavaria, also 29, was found unscathed nearby, police said. –Contact The Daily Reveille’s news staff at [email protected]