The Declaration of Principles comes less than a month after a peace agreement signed by Congo and Rwanda, long accused by the Congolese Government of supporting the M23.

The Democratic Republic of Congo and M23 rebels have signed a ceasefire deal in Qatar to end fighting between the warring sides. Dubbed the Declaration of Principles, Saturday's agreement seen by the BBC, says both sides must refrain from attacks, "hate propaganda" and "any attempt to seize by force new positions on the ground".

The declaration establishes a ceasefire in eastern Congo and addresses M23 rebel withdrawal from seized territories.