AT least two children and one woman have drowned after a passenger boat sank on Lake Kivu in the eastern Democratic Republic of Congo, a local official has said, as survivors warned that dozens more were still missing. The boat, bound for the regional capital Goma, capsized overnight on Tuesday, after having set off in the dark overloaded and from an illegal mooring, regional government spokesman Claude Basila said. Deadly boat accidents are common in Congo, which has few tarred roads across its vast, forested territory and where vessels are frequently loaded well beyond their capacity. The spokesman said the…