Oslo, Norway, 22.07.2011. An explosive device or most probably a car bomb was detonated outside the main government biuilding in the heart of Oslo, friday 22. of July. Several people are reported to have been killed. Assailant armed with automatic weapons later the same day attacked Utøya, an island south of Oslo where Stoltenberg's Labour party youth section's yearly gathering was taking place. Foto: Christopher Olssøn.