Water being tested where freight train carrying hazardous material plunged into Yellowstone River
State and federal officials say preliminary testing of water and air quality along a stretch of the Yellowstone River where train cars carrying hazardous materials fell into the waterway don't indicate any threat to the public. Seven cars plunged into the rushing river on Saturday near the town of Columbus after the bridge gave way. They remained there Sunday. State regulators say preliminary testing doesn't show petroleum hydrocarbons or sulfur impacts in the water. Meanwhile, the federal Environmental Protection Agency says no toxic gases have been detected downwind of the derailme...