Four years after dozens of teenagers were shot dead by a far-right extremist, the youth wing of Norway’s Labour Party has returned to the island of Utoya for its summer camp.

A metal circle suspended from trees hangs in memorial to the victims.

It is just one reminder of a tragedy, which has changed lives forever.

One of those making the emotional voyage was Jon-Inge Sogn, father of 17-year-old Isabel, one of the 69 people slaughtered on the island.

“It is a bit special because this is the first time in four years,” he said.

“And if things had not happened, I’m sure my daughter would also be here so this is special…I feel it now when I see all the young people are coming.”

Security is tight with 1,000 participants expected over three days, eager to reclaim the island and defend values like democracy and tolerance.

On July 22, 2011, Anders Behring Breivik sought to destroy their values – gunning down victims he saw as traitors because of their support for multiculturalism