Both sides of the conflict in eastern Democratic Republic of Congo have committed to disarming and disengaging their alleged proxies. But there are dozens of non-state armed groups active in the region and it's not clear whether all of them will adhere to the ceasefire.

By Daphne Psaledakis, Sonia Rolley and Ange Kasongo WASHINGTON/PARIS/KINSHASA (Reuters) -Rwanda and Democratic Republic of Congo signed a U.S.-brokered peace agreement on Friday, raising hopes for an end to fighting that has killed thousands and displaced hundreds of thousands more this year.

President Trump claims credit for the outcome. The main question now is how the treaty will be implemented as fighting still rages in eastern Congo.