Toxic foam: Investigation spreads to Hobsonville Pt

Investigations into toxic firefighting foam contamination have spread to the Hobsonville Point development in northwest Auckland, and to Devonport and Whenuapai. The state-owned company building 1600 homes on the former Air Force base at Hobsonville still does not know if the Defence Force used the now-banned foam there. But it is saying it knows for sure it's not in the drinking water.