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An explosion rocked a refinery in northwestern Wisconsin on Thursday, injuring at least 11 people, forcing the evacuation of homes, schools and a hospital, and sending a plume of noxious smoke billowing into the air. Authorities said a tank of crude oil or asphalt exploded about 10 a.m. at the Husky Energy oil refinery in Superior, a city of about 27,000 that shares a Lake Superior shipping port with nearby Duluth, Minnesota. That prompted them to order the evacuation of a three-mile (five-kilometer) radius around the refinery, as well as a...
MINNEAPOLIS (AP) — Investigators from the National Transportation Safety Board arrived at a Minneapolis school on Thursday to begin the painstaking task of determining what caused an apparent natural gas explosion that killed two people and injured at least nine others, including one critically. The explosion at Minnehaha Academy caused part of a school building to collapse Wednesday. The bodies of longtime school receptionist Ruth Berg and custodian John Carlson were found in the rubble. City fire officials said the collapse was caused by a na...
