BENI, Democratic Republic of Congo—Dozens were killed in a militia attack early on Wednesday at a displaced persons’ camp in eastern Democratic Republic of Congo, according to the head of a local humanitarian group and a camp resident. Both sources told Reuters that the CODECO militia was responsible for the killings at about 0200 GMT at the Savo camp in Ituri province. Ituri army spokesman Jules Ngongo confirmed the attack by CODECO and gave a provisional toll of about 20 dead. Congolese troops came into contact with the militia Tuesday night but the assailants changed direction and got past them to reach the camp, he said. CODECO is one of an array of militias operating in eastern Congo amid longstanding tensions over land and resources. Its fighters have killed hundreds of civilians in Ituri and forced thousands to flee their homes, according to the United Nations. In recent months it …