Just seen on BBC news that an Austrian man has kept his daughter captive for 24 years and fathered 4 children with her

An Austrian man allegedly held his daughter captive in a cellar for 24 years and fathered four children with her, reports say.

The existence of the woman, believed missing since 1984 and now 42, emerged after one of the children was found in the house in a "serious condition".

Here is the report

http://news.bbc.co.uk/1/hi/world/europe/7369851.stm