A mass tort is a civil action involving numerous plaintiffs against one or a few corporate defendants. The tort may involve, for example, personal injuries suffered by numerous plaintiffs as a result of a defective product, or a mass disaster in which there were many injured persons, such as an airplane crash, or exposure of a large group of people to toxic chemicals or pharmaceuticals.
Columbus Junction is a city in Louisa County, Iowa, United States. The population was 1,900 at the 2000 census. It is part of the Muscatine Micropolitan Statistical Area. A large Tyson Foods plant is located in the city. Columbus Junction is also home to a historic swinging bridge.