OSLO (AFP) - A Norwegian court ruled on Wednesday (April 20) in favour of mass murderer Anders Behring Breivik in his lawsuit against the Norwegian state over his "inhuman" prison conditions.

"The court... has concluded that the prison conditions constitute inhuman treatment," the Oslo district court said, noting that the rightwing extremist had been held in isolation for almost five years.

The judge ruled however that his right to correspondence had not been violated.