- The only thing that will give results is to go down and document what is there.

I do not believe that an accident commission should be able to assess how the hole arose from a film, says Lennart Berglund.

- And you can not leave this, then speculation will flourish forever.

Lennart Berglund also believes that a new survey must be done by an independent group.

Preferably from another country.

- Now this must be done quickly and transparently.

Politicians must live up to that.