An overloaded ferry capsized on Zimbabwe's Lake Kariba on Tuesday, killing at least 44 people and leaving several others missing, the country's Civil Protection Unit said. What HappenedThe ferry, named Mbuya Nehanda, capsized Tuesday after encountering strong waves on Lake Kariba, according to Zimbabwe's Civil Protection Unit. About Lake KaribaLake Kariba forms part of the border between Zimbabwe and neighboring Zambia and is the largest artificial lake in the world by volume. Boat accidents are a recurring hazard on Lake Kariba and other large lakes in the region, where overloading of passenger vessels has repeatedly been cited as a contributing factor in fatal capsizings. A ferry disaster on the Zambian side of Lake Kariba in 2014 killed at least 26 people, most of them schoolchildren, in an incident also attributed to overloading.