Mining magnate Gertler is a close friend of Congolese president Joseph Kabila.
IBTimes UK can reveal exclusive first-hand accounts of a campaign of fear and intimidation against the opposition.
Read Congolese activist Fred Bauma's testimony to the United States Congress in full.
Politician Raphael Katebe Katoto tells IBTImes UK Congolese will not accept new transition government.
IBTimes UK looks at candidates for the DRC's transitional government with Azarias Ruberwa favoured for PM.
UN delegation told President Kabila 'a third term has not been considered as a solution to the crisis'.
Radio Okapi and RFI off air since Saturday and journalists arrested on Monday in media crackdown.
LUCHA activists were calling on African leaders to 'listen to the voice of the Congolese people'.
France says a delay in holding elections is not the answer to the crisis.
EU 'should follow up with targeted sanctions to address the escalating crisis in DRC' claims Enough Project.
Local rights group fears the militia leader might have received an amnesty in a deal to turn himself in.
European Parliament has also repeatedly called for the EU to implement targeted sanctions.
"Time is now of the essence. It's becoming our worst enemy. We don't have much time left," says ex-finance minister.
Government claims presence of 750 troops in North Kivu province raises security concerns.
The UN Human Rights Council decision comes after violence left up to 50 people dead during protest.
Rights groups welcome US sanctions on Congolese security officials accused repressing freedoms of DRC people.
The Treasury Department cracks down on Major General Gabriel Amisi Kumba and former senior police official John Numbi.
FBCP among groups protesting against organisations behind rights violations and killings.
Violence erupted between militia loyal to deceased tribal chief Kamwina Nsapu and Congo security forces.
'We can't take it anymore because if we go along with this, there's no hope for us,' says activist Bandi Mbubi.
Moise Katumbi's claim comes after 44 died in clashes between anti-government protesters and police.
Opposition leader, Moise Katumbi said only sanctions can stop the killings and bring stability in Congo.