Former warlord Jean-Pierre Bemba's candidacy in the Democratic Republic of Congo's upcoming presidential elections was deemed "inadmissible" by the country's election commission on Friday, as opposition groups cried foul.

Former Congolese warlord Jean-Pierre Bemba filed his candidacy for president on Thursday ahead of December elections in the Democratic Republic of Congo, where Bemba returned this week after a decade in prison at the Hague.