The BBC has asked the Angolan government to comment. But according to a source from the Migration and Aliens Service (SME), "the expulsion was due to irregularities in the visa procedure, which prevented Mondlane and 13 other members of his entourage from entering Angolan territory".

Political analysts point to these developments as indicative of the challenges facing the African democratisation process, highlighting that the continent still has a long way to go.

Angolan President has called for a ceasefire in the eastern DRC to pave the way for peace talks between the DRC and M23 rebels

The Democratic Republic of Congo will send a delegation to Angola to engage in peace talks with M23 rebels, supported by Rwanda. Discussions are set to commence on March 18 in Luanda. The Congo president,

Angola said on Tuesday it would attempt to broker direct talks between Democratic Republic of Congo and Rwanda-backed M23 rebels in the coming days.