[OCHA] Maiduguri, Borno State: On the night of 9 September, the Alau Dam collapsed, leading to massive flooding in Maiduguri, the main town in Borno State north-east Nigeria. The floods damaged shelters, crops, infrastructure and displaced nearly 400,000 people in the Maiduguri Metropolitan Council (MMC), Jere and Konduga Local Government Areas (LGAs).