Lake Powell microburst injures 3; sinks powerboats, jet skis

PAGE, Ariz. — A sudden, powerful downward gust of wind swamped or sank dozens of powerboats and jet skis Thursday at Lake Powell along the Arizona-Utah border.Authorities say at least three people were injured about 1 p.m. A 60-year-old woman sustained a severe arm injury that required amputation.They say a 57-year-old woman suffered head and hip injuries while another person had a dislocated shoulder.The National Weather Service says the 56 mph microburst swept through the region in about