But on Wednesday, the national election panel announced the vote - also being held at municipal and legislative level - would be postponed in several troubled areas, including parts of North Kivu, until March.
The charity's statement comes after the DRC's electoral commission delayed the vote in the Ebola-affected eastern cities of Beni and Butembo until March - well after the next president is inaugurated in January.
In Goma, the provincial capital, demonstrators set up barricades in the districts of Majengo and Katimbo and at the entrance to the university. Kabila has said he is stepping aside after the election, which has been delayed for more than two years amid sometimes deadly protests. Health officials are anxious about reports that some Congolese think there is no Ebola outbreak at all, just a conspiracy by Kabila's government to declare a phony health emergency so he can suppress opposition voters.
The problems have fuelled tensions in the DRC, one of Africa's most volatile countries, prompting concern among its neighbours, the United Nations and western powers. The area is also a stronghold of political opposition to President Joseph Kabila. If successful, it would mark Congo's first democratic transition after decades marked by authoritarian rule, coups and civil war.
This latest delay in an election meant to occur in late 2016 has angered both residents and the opposition, which accuses the Government of trying to ensure that Mr Kabila's preferred successor is elected.
But his long tenure has come under heavy fire from human rights watchdogs and anti-corruption monitors.
Three men are heading a field of 21 candidates in the presidential race.
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Christianson added that Arriaga has a criminal history of driving under the influence and was a member of the Sereno street gang. Gustavo Perez Arriaga , 32, was arrested in connection with murder of Newman, CA Police Officer Ronil Singh .
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It's looking increasingly as if the partial government shutdown will be handed off to a divided government to solve. Mostly, the Democratic aides declined to take the blame-game bait being dangled by the White House.
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Last year, she briefly made $10 an hour until Missouri passed a law to pre-empt wage increases in its cities. New York City's small employers (10 or fewer) will reach the $15 per hour level on December 31, 2019.
Kabila appointed little known Shadary and former interior minister to represent his ruling coalition party.
Opinion polls indicate Fayulu is the clear favourite, garnering around 44% of voting intentions, followed by 24% for Tshisekedi and 18% for Shadary, he said.
Between 43 and 63% of respondents said they would not accept the results if Shadary is declared a victor, he said.
"I think we have many reasons to believe that the government is going to try and hijack this election and have its incumbent, Ramazani Shadary, win", Wolters said.
The EU previous year sanctioned Shadary, a former interior minister, for obstructing Congo's electoral process and for a crackdown against protesters angry over the long-delayed vote.
Foreign Minister Leonard She Okitundu gave the European Union 48 hours to withdraw its representative - retaliation for sanctions against Shadary and 13 other officials for cracking down on anti-Kabila protests.