Kassala flooded after Gash River overflows banks

Heavy rains in July, 2003 raised the water level so high the river overflowed into the town. Mud houses were swept away, and businesses destroyed. - Ten percent of the population were left homeless. More than 75 schools were damaged, the central hospital was damaged, and pumping systems for water were damaged. Telephones ceased to work. Fresh water supplies became contaminated, and sanitation systems broke down.
Source: http://www.ockenden.org.uk/index.asp?id=766