At least 45 people including children were killed with axes and machetes in Beni on 13 August.
DRC regime accused Katumbi of hiring 600 US mercenaries in plot to destabilise President Kabila
Katumbi's brother Raphael Katebe Katoto says he will attempt to return no matter what.
Opposition claims Togolese mediation leader Edem Kodjo has too many ties with President Joseph Kabila.
Tens of thousands of protesters gather to tell Kabila to step down at the end of his second mandate.
Electoral Commission supposed to call presidential elections on 19 September.
Security services deny pressuring judge into convicting Katumbi, and warn his sentence still holds.
Minors detained by DRC security forces having been accused of belonging to rebel groups.
Activists reportedly held banners calling for President Kabila to step down after his two-term limit ends.
EXCLUSIVE: Brother Raphael Katebe Katoto says Moise Katumbi will defy warrant for his arrest in DRC.
EXCLUSIVE: Tensions are high in country where conditions for political dialogue 'are not met'.
UPDATE: Rumba star to spend three months in jail in Kinshasa after 'assault' charge
The group asked not to be released in solidarity with other prisoners of conscience currently detained
UNC heavyweights Ewanga and Claudel Lubaya criticised for appearing at Congolese talks without UNC approval.
Chinese-owned mining company accused of smuggling up to $17m of gold out of the country.
'Blocking the electoral process risks plunging the country into chaos,' warned Father Leonard Santedi.
Bemba received an 18-year jail term for atrocities committed by his troops which include murder, rape and pillaging in neighbouring Central African Republic (CAR) between 2002 and 2003.
IBTimes UK attended celebrations in the capital's Kayole suburb as refugees performed traditional dances.
UK's Special Envoy to Great Lakes region, Danae Dholakia, speaks to IBTimes UK on DRC elections.
DRC opposition parties form a new alliance known as 'Rassemblement' to oust President Joseph Kabila.
'Conclave' was launched by octogenarian Etienne Tshisekedi, leader of the UDPS.
Dozens of pro-democracy activists have been arrested, trialled and sentenced to long prison sentences in a politically-motivated campaign to silence dissents in the resource-rich nation.