Josef Fritzl's cellar to be filled with concrete

The cellar where an Austrian man held his daughter captive for 24 years is being filled with concrete to prevent it becoming a ghoulish tourist attraction.

Josef Fritzl was jailed for life in 2009 after he was found guilty of rape, incest and enslaving his daughter, as well the murder of one of the seven children he fathered with her.

Authorities in the small Austrian town of Amstetten had originally planned to demolish the building, but it is now going to be sold. There are reportedly already potential buyers.

The cellar has already been sealed, but will now be pumped full of concrete to ensure that it can never be accessed again.