Despite a peace process, attacks were carried out in more than a dozen villages last month, Human Rights Watch says.

M23, a rebel group backed by Rwanda, killed at least 140 people in July in the Democratic Republic of Congo, Human Rights Watch said. Most victims are Hutu.

Human Rights Watch said 141 people, predominantly Hutus, were feared to have been killed in eastern Congo in July in attacks believed to have been carried out by the Rwanda-backed M23 group, the most prominent of the armed groups fighting for control of the region.