Disasters

Radioactive material well below levels that would be considered a health concern have been found in air samples in St. Paul and two other Minnesota cities, likely from the damaged nuclear power plants in Japan, state health officials said Tuesday.
Southwest grounds more planes
Cracks have been found in three more Southwest Airlines planes following a midair incident in which a hole opened up in the fuselage of one of its jets. Some air safety experts believe the incident raises concerns about airline maintenance and safety.
Photos: A slow start to flood fight in Fargo-Moorhead
The rising Red River is expected to reach 39 to 41 feet this weekend, according to the National Weather Service. The cities of Fargo and Moorhead are delivering sandbags to neighborhoods to construct temporary dikes.
A new group that has formed to oppose a proposed diversion of the Red River around Fargo and neighboring Moorhead, Minn., hopes to unite downstream and upstream interests on the north-flowing river.