Some of the wounded are given first-aid on the street. Many were taken to Oslo University Hospital for further treatment.
Smoke rises from the central area of Oslo after an explosion.
Debris covers the street in the Center of Oslo. The buildings include the Prime Minister's office.
The wreckage of a car lies outside a building in the Center of Oslo. A loud explosion shattered windows at the government headquarters, injuring several people.
An injured woman is rescued from a damaged building.
The pavement outside government buildings is smeared with blood.
An aerial view of Utoya Island, Norway. A man dressed as a police officer opened fire at the island youth camp connected to the ruling party.
Victims lie near the shoreline after a man dressed as a police officer gunned down youths at a camp which was organized by the youth wing of the ruling Labor Party, in Utoya Island.
A person injured at the youth camp on the island of Utoya is airlifted to the Ullevaal Hospital in Oslo.
An armed police officer stands guard on the edge of a cordon near the site of Friday's explosion.
A young victim is helped by police personnel in the Center of Oslo, Norway on July 22, 2011, after a bomb ripped open buildings in the heart of Norway's government.