Matt Dunham / AP
People, including relatives of a victim in the center of the picture, gather to observe a minute's silence on a campsite jetty on the Norwegian mainland, across the water from Utoya island, where people have been placing floral tributes in memory of those killed in the shooting massacre on the island in Norway on Monday.
Emilio Morenatti / AP
A boy lights a candle to pay tribute to victims of Friday's twin attacks in central Oslo on Monday, July 25.
Paula Bronstein / Getty Images
Friends and loved ones gather at the Oslo cathedral to mourn the victims killed in twin terror attacks from a bombing in downtown Oslo and a mass shooting on Utoya island on Sunday in Oslo.