DR Congo indiscriminate bombing at North Kivu

Over the last quarter century, hundreds of thousands of Congolese Tutsi have fled to neighbouring countries, such as Burundi, Rwanda and Uganda. In Rwanda alone, there are at least 80,000 of Congolese refugees, most of them living in camps. As fighting continues in eastern DR Congo, the M23 rebel group has accused the government coalition of indiscriminate bombing of parts of North Kivu province. The M23 spokesperson Lawrence Kanyuka said the government coalition, composed of militias, attacked the rebels’ positions. What is the best way to deal with the militia groups in DR Congo ?