Prime Minister Manmohan Singh walks with South Korean President Lee Myung-bak during a welcome ceremony at the presidential Blue House in Seoul. APVietnamese Prime Minister Nguyen Tan Dung is welcomed upon arrival at a military airport in Seongnam, south of Seoul. APFrench Prime Minister Francois Fillon arrives at Incheon Airport in Incheon, South Korea. APDanish Prime Minister Helle Thorning-Schmidt smiles upon arrival at Incheon Airport in Incheon, South Korea. APNorwegian Prime Minister Jens Stoltenberg arrives at Incheon Airport in Incheon, South Korea. AP
Prime Minister Manmohan Singh burns incense during his visit to the South Korean National Cemetery in Seoul Sunday. AP
South Korean President Lee Myung-bak shows the way to Prime Minister Manmohan Singh during a welcome ceremony. AP
Turkish Prime Minister Recep Tayyip Erdogan and his wife Emine Erdogan arrive at Seoul Airport for the Nuclear Security Summit. AP
Thai Prime Minister Yingluck Shinawatra arrives at Incheon International Airport in Incheon, South Korea. AP
South Korean President Lee Myung-bak greets visiting New Zealand Prime Minister John Key ahead of the Nuclear Security Summit. AP
Canadian Prime Minister Stephen Harper is greeted upon arrival at Gimpo airport in Seoul, South Korea. AP
Pakistani Prime Minister Syed Yusuf Raza Gilani is greeted upon his arrival at Gimpo airport in Seoul, South Korea. AP
South Korean President Lee Myung-bak greets Italian Prime Minister Mario Monti during a welcome ceremony. AP
Vietnamese Prime Minister Nguyen Tan Dung is welcomed upon arrival at a military airport in Seongnam, south of Seoul. AP
French Prime Minister Francois Fillon arrives at Incheon Airport in Incheon, South Korea. AP
Danish Prime Minister Helle Thorning-Schmidt smiles upon arrival at Incheon Airport in Incheon, South Korea. AP
Norwegian Prime Minister Jens Stoltenberg arrives at Incheon Airport in Incheon, South Korea. AP
