BENI, DR CONGO — Islamic State group-linked ADF rebels have killed at least 21 people this week in the conflict-riven eastern Democratic Republic of Congo, local sources told AFP on Saturday. The attacks all took place close to Manguredjipa, a town known for its rich mineral deposits and regularly targeted by the ADF. On December 21, ADF rebels made an incursion into the village of Robinet, in the Bapere sector of North Kivu province, a local official said. “They killed six people on the spot, then on December 22 they arrived at the neighboring village we call Kodjo where they