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.
Harrison is a city in Hamilton County, Ohio, United States. The city is located in the Cincinnati-Northern Kentucky metropolitan area and has a population of 8,918 according to the United States Census Bureau as of 2007.