Norway's Prime Minister Jens Stoltenberg (L-R), Danish counterpart Lars Lokke Rasmussen, Danish Crown Prince Frederik, Swedish Prime Minister Fredrik Reinfeldt, Swedish Crown Princess Victoria, Iceland's Prime Minister Johanna Sigurdardottir and Iceland's President Olafur Ragnar Grimsson arrive at Oslo Cathedral to pay their respect to those killed in last month's bomb and shooting attack in Oslo August 21, 2011.[Photo/Agencies]