Inside Story Lesser-known armed groups have carried out a spate of attacks in the country’s northeast. For more than 30 years, armed groups in Democratic Republic of Congo have been fighting to gain control of the mineral-rich east. The conflict has caused one of the worst humanitarian and displacement crises in the world. Recommended Stories list of 4 items list 1 of 4 Rebel fighters kill at least 69 people in northeastern DR Congo list 2 of 4 DR Congo to establish US-backed paramilitary guard for mines list 3 of 4 At least 43 people killed in ADF attack in northeast DR Congo, army says list 4 of 4 ‘It helps us survive’: Poverty forces children into mine work in DR Congo end of list One of the latest attacks was carried out by the Cooperative for the Development of the Congo, which says it aims to protect the Lendu community. The violence follows an earlier assault by the Convention for the Popular Revolution, which is fighting for the rival Hema ethnic group.…