Dhaka, Jan. 28 -- Gunfire rang out across parts of Goma, the largest city in the eastern Democratic Republic of the Congo (DRC), hours after Rwanda-backed M23 rebels said they had seized it despite the United Nations Security Council calling for an end to the offensive.The news comes as reports emerged that DRC and Rwandan troops have also exchanged fire on Monday along their shared border, risking a rapid escalation of the conflict amid the advance of the M23 fighters.In a statement posted on X, DRC government's spokesman Patrick Muyaya confirmed the presence of Rwandan army in Goma."The government continues to work to avoid carnage and loss of human life in view of the manifest intentions of Rwanda," he said, telling residents to stay hom...