Flood victims walk through rising waters in the flooded village of Karampur, about 70 km (43 miles) from Sukkur in Pakistan's Sindh province August 14, 2010. United Nations aid agencies have provided assistance to hundreds of thousands of victims of Pakistan's worst floods in decades but relief operations have yet to reach an estimated six million people.[Photo/Agencies]

Villagers walk through waters in the flooded village of Karampur, 70 km (43 miles) from Sukkur, in Pakistan's Sindh province August 14, 2010. United Nations aid agencies have provided assistance to hundreds of thousands of victims of Pakistan's worst floods in decades but relief operations have yet to reach an estimated six million people.[Photo/Agencies]