As Kenya votes, some fear repeat of past election violence

Kenyan president leads challenger in partial vote results

All in all eight candidates contested the presidential elections.

Meanwhile the electoral commission rebuffed claims by the opposition as "ridiculous" and not based on credible data, according to senior official in the election commission. Violence has also been reported in the vicinity of the country's capital, Nairobi, and in various shantytowns surrounding the city, most notably Mathare.

Former President John Mahama has used his electoral defeat to urge Kenyans to keep the peace amidst fears of post-election violence.

"Elections should never be an issue of life or death", said Marietje Schaake, the Dutch head of the European Union mission observing the elections.

Opposition candidate Raila Odinga, who is trailing behind incumbent Uhuru Kenyatta, on Wednesday claimed massive hacking of an electronic system for sending votes to a national tallying centre in Nairobi.

The claims, which have not been verified, tie into the narrative supported by the opposition party during the campaign that the ruling party meant to steal the election.

"We demand that the IEBC [Independent Electoral and Boundaries Commission] chairperson announce the presidential election results forthwith and declare the right honorable Raila Amolo Odinga and his excellency Stephen Kalonzo Musyoka as the duly elected president and deputy president of the republic of Kenya, respectively", said Mudavadi.

Raw polling data published on its website says that with nearly all of results in, Mr Kenyatta - who is seeking a second term - is leading with about 54.3%, to Mr Odinga's 44.8% share of the vote.

On Wednesday, at least three people were shot and killed in confrontations between security forces and opposition supporters in several areas of Kenya, East Africa's commercial hub whose stability is a key concern for the region.

Chebukati said "hacking was attempted but did not succeed" and tallying of final results was continuing.

Mr Odinga said the results were the "work of a computer" and did not reflect the will of voters. One protester was also shot dead by police in Kisii county. "The results show Raila garnered 8.04 million votes and Uhuru 7.7 million", he said.

Worldwide observers from the African Union, Commonwealth and European Union largely praised a peaceful day of voting, while urging patience as results are finalised by the IEBC.

"I wish to take this opportunity to confirm that our elections management system is secure".