Suspected Islamic State-backed rebels killed 19 civilians in an overnight attack in eastern Congo, two local officials said on Monday, deepening insecurity in the mineral-rich region. The attack, believed to have been carried out by the Allied Democratic Forces group, occurred in the village of Mukondo in North Kivu province, Alain Kiwewa, the military administrator for Lubero territory where Mukondo is located, told Reuters, adding that the death toll could rise. There was no immediate claim of responsibility by the ADF, which is also known as Islamic State Central Africa Province (ISCAP) and has claimed responsibility for a spate of attacks in recent months, including one in September on a funeral that killed more than 60 civilians. Reuters could not...