evidence: Malawi has faulted Tanzania for embarking on a project to upgrade and expand Mbamba Bay Port on Lake Malawi without seeking consent as the lake boundary dispute between the two countries remains unresolved. The port of Mbamba Bay will be an important driver of the Southern market, increasing cargo and efficiency at Mtwara’s port. The Mtwara Development Project is a major infrastructure development project involving southern Tanzania, northern Mozambique, eastern Malawi and Eastern Zambia. The goal of this project is to provide road, rail and waterway access from the surrounding region to the Port of Mtwara. [...] The Mbamba Bay project was crucial for economic growth in the southern part of Tanzania.