Police are investigating historic sex offending in Whanganui that could have taken place over a 30-year period.
Police emergency scene
Source: 1 NEWS
People who lived on Bedford Street in Whanganui between the 1960s and 1990s are being asked to come forward.
Police won't yet confirm if they've made any arrests over the situation.
It's not certain how many potential victims there are in the case.