
Mining pioneer Lang Hancock was at "breaking point" as he fought to stop daughter Gina Rinehart from "destroying" his life's work before his death, a multi-billion dollar legal stoush over iron ore riches has been told.
A lawyer for Mrs Rinehart's children says the reclusive billionaire's relationship with her famous father was "not good" in the late '80s and she was "crucially worried" about maintaining her claim over his fortune.