space for commercial activities forced the government to build bazaars over the nalas. Vast Population Increase and Lack of Development in Sewers As the population of Karachi increases and the city expands, the construction of various sectors is becoming far away from the gutter garden, which is one part of Karachi's sewage system. A planned sewage treatment plant was never built. Real Estate Development Due to the large-scale real estate development, many natural drainage channels and water collection depressions have been dismantled in the hilly formations north of the city. When it rains, the south of the area is completely flooded. Serious Institutional Issues The central and provincial governments of Karachi are controlled by different political parties and their views cannot be unified, making it is struggled to solve the infrastructure problems of Karachi and even unable to get sufficient investment to deal with drainage trouble. Types of Response Local strategies Local Government In response to the catastrophic floods in Karachi, Sindh Chief Minister Murad Ali Shah ordered that schools be used as resettlement sites for these displaced families. Meeran Yousuf, a spokesperson for the Sindh Health Government, said the health department was spraying disinfectants to eliminate larvae to avert dengue and malaria epidemics after the massive floods. Pakistani Army & Other National Authority The Pakistani army was also summoned to Karachi on July 30, 2020, to aid the civil authorities in addressing the city's flooding problem. Meanwhile, the Pakistan Army also collaborated with the local National Disaster Management Authority (NDMA) and Frontier Works Organization (FWO)to relief Karachi residents who have been affected by the monsoon rains. Additionally, they would be entrusted with cleaning up the debris left by the city's floods. The Emergency Response Force (ERF) has been sent to help persons in need in many sites around Karachi on 20 August 2020. Internationals assistance Baitulmaal Response Local rescuers assisted by Baitulmaal (a Dallas-based international humanitarian organization) helped evacuate surviving residents of Karachi's Gulberg Town. The team provided them with hot meals, water, hygiene supplies, and food parcels and provided drinking water to other flood-affected areas of Karachi, such as Yousuf Goth and Abdullah Town. Employees of Baitulmaal delivered supplies via truck to individuals who were unable to escape in time. WFP Response The World Food Programme(WFP) also responded to the unprecedented floods by supplying 95 MT of food aid to 1,780 affected households in Karachi on 22 September