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Idaho at 9:15 a.m.

BLACKFOOT BRIDGE-POND FAILURE

BOISE — The maker of Roundup weed killer is investigating the engineering and safety of the water treatment system at its new phosphate mine in southeast Idaho after an earthen holding pond recently sprung a leak, sending sediment and millions of gallons of water into an adjacent wetland. By Todd Dvorak. Eds: Note corrected version that moved on Idaho lines.

SCIENCE CLASS COMPLAINTS

DIETRICH — A south-central Idaho high school science teacher under investigation amid complaints from four parents insists he did nothing wrong or inappropriate in class. Dietrich High School biology teacher Tim McDaniel also said the school is notorious for letting students and parents run off some of the district's best teachers.

Also:

— BUDGET CUTS-IRS OFFICE — Coeur d'Alene IRS office closing, budget cuts.

— YELLOWSTONE-BECHLER STATION — Park Service taking comments on Bechler upgrades.

— WILD CARD WINNER — Nampa man claims Wild Card jackpot.

— DRY WINTER-IRRIGATION CONSEQUENCES — SW Idaho water district poised for water cutback.

— YELLOWSTONE-BOARDWALKS — YNP's Black Sand Basin closed for boardwalk repair.

— ENERGY EXECUTIVE-RETIRES — Idaho geothermal company's top exec retiring.

— HEALTH EXCHANGE — Caller threatens Idaho exchange board with lawsuit.