A South Korean officer directs trucks carrying sacks of flour to North Korea as they depart the CIQ (Customs, Immigration and Quarantine) office for North Korea, just south of the demilitarized zone separating two Koreas in Paju, about 55 km (34 miles) north of Seoul, July 26, 2011. South Korean civic groups sent 300 tonnes of flour aid on Tuesday to help starving North Koreans in Sariwon city, North Hwanghae Province, North Korea. The groups also demanded the South Korean government to expand humanitarian food aid to the North. The banners on trucks reads, "300 tonnes of flour to help North Koreans". REUTERS/Jo Yong-Hak (SOUTH KOREA - Tags: MILITARY POLITICS SOCIETY)