The town has recently been the scene of heavy fighting involving ethnic militias and Ugandan troops.
The bodies were found in a village outside the headquarters of a rebel faction on Friday. Many of the dead are women and children.
On Thursday, peacekeepers discovered a separate mass grave containing 37 bodies on a farm outside Bunia.
The UN spokesman in Kinshasa, Hamadoun Toure, says an investigation into the latest incident is already under way.


















