Analysts say the deadly march by Rwanda-backed rebels across eastern Congo could widen into a regional conflict drawing in even more countries, and the two nations most involved in the mineral-rich area might be the key to stopping the violence.

Thousands of families have been displaced by violence in eastern Congo, where Rwanda-backed rebels seized the key city of Goma in a blitz offensive.

The Rwanda-backed rebels who captured a major city in eastern Congo have sought to reassure its residents about their safety