Pakistan, outskirts of Karachi, Thatta and Hyderabad districts - September 2010: Flooding of the Indus river resulting from heavy monsoon rains in the Khyber Pakhtunkhwa, Sindh, Punjab and, Baluchistan regions of Pakistan in late July and August 2010 that led to a humanitarian disaster considered to be one of the worst in Pakistan’s history. The floods, which affected approximately 20 million people, destroyed homes, crops, and infrastructure and left millions vulnerable to malnutrition and waterborne disease. Estimates of the total number of people killed ranged from 1,200 to 2,200, while approximately 1.6 million houses were damaged or destroyed, leaving an estimated 14 million people without homes. The damage caused by the floods promised to have a long-lasting impact in Pakistan. Months after the floods had subsided, hundreds of thousands of people remained in temporary camps in makeshift tents along roads with inadequate sanitation and food supply.