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In this photo made with an iPhone, a sign is shown posted at a candlelight vigil, Sunday, Jan. 8, 2012, in Eatonville, Wash., in memory of Park ranger Margaret Anderson, who was killed by a gunman during a traffic stop at Mount Rainier National Park a week ago. (AP Photo/Ted S. Warren)

Thousands attend service for Mt. Rainier ranger

Top federal officials, fellow park rangers and thousands of well-wishers have gathered in Washington state to celebrate the life of Margaret Anderson, a Mount Rainier National Park ranger who was fatally shot on New Year's Day.