Democratic Republic of Congo President Felix Tshisekedi has long ruled out dialogue with the Rwanda-backed M23 rebels rampaging through eastern parts of his country, but a string of defeats and waning regional support have forced him think again.

Congo's former President Joseph Kabila has initiated talks with opposition politicians about the country's political future as Rwanda-backed rebels seize territory in the east, five sources familiar with the outreach told Reuters.

DAKAR, Senegal — Congo’s government and the M23 rebel group will participate in peace talks on March 18, Angola said Wednesday. A statement from Angolan President João Lourenço’s office said they would begin “direct peace negotiations” in the Angolan capital, Luanda.