ALEXIS HUGUET Second in two-part series on the 16 and 17 December massacre in Yumbi. The accompanying briefing looks in more detail at humanitarian needs. YUMBI, Democratic Republic of Congo For 48 hours in mid-December, the remote fishing and farming region of Yumbi some 400 kilometres north of Kinshasa on the banks of the Congo River became the scene of a massacre. According to the UN Human Rights Office in the Democratic Republic of Congo, at least 535 people were killed in the town of Yumbi and surrounding villages when members of the Batende community attacked the Banunu, a different…