Speaking in a clear and decisive voice, Tonje Brenna told the Oslo district court how she had heard the killer’s ecstatic shouts as bodies rained around her hiding place in the crack of a cliff.

“I am absolutely sure that I heard cries of joy,” said the 24-year-old head of the ruling Labour Party’s youth wing, AUF, who was the first of the Utoeya survivors to take the stand. “If I had to spell it out, it would be WOO-HOO. Obviously cries for joy,” she said.