In this file picture taken on Aug. 17, 2012, a partial view of the ILVA steel plant is seen in Taranto, Italy

Video. Ex-owners of Italian steelworks jailed over deadly factory pollution

The former owners of Ilva steelworks, Fabio and Nicola Riva, were handed 22 and 20 years in jail respectively for allowing their Taranto-based factory to emit deadly pollution.