The prison threat that stopped high profile child abusers being revealed

An investigative journalist claims he was threatened by the former MP Cyril Smith, and then raided by police, to stop him revealing the names of politicians who were trying to legalise sex with children.

Don Hale was editor of the Bury Messenger in the 1980s.

He says he was told he'd go to prison if he printed a story based on a dossier of Westminster documents.

He's given his first broadcast interview on the revelations to Ashley Derricott: