Fourteen people are missing after a boat capsized on Lake Tanganyika in eastern Democratic Republic of Congo, a local official said Thursday.

Eleven people including seven children died when a boat struck a rock and sank on Lake Tanganyika off the coast of DR Congo at the weekend, local authorities said Monday.

Lake Tanganyika is Africa’s longest and deepest lake, with a shoreline longer than Tanzania’s entire coastline. It supports local livelihoods and the economies of riparian countries through its rich ...