Kenya presidential election: Vote totals being announced

(CNN)Kenyans were glued to televisions, radios and computers Friday night as results of the nation's tense presidential elections were being read.

Many in the country were anxious at the possibility of post-election violence, and preliminary results showed Uhuru Kenyatta, who is seeking another five-year term, leading main challenger Raila Odinga.
Odinga told CNN that he will not believe the final results when they are released, adding that the forms signed by officials at polling stations may have been "manipulated already."
His opposition party has maintained that the electoral commission's servers were hacked and the poll rigged in favor of Kenyatta.
    Wafula Chebukati, chairman of the electoral commission, rejected the opposition's evidence of election fraud in a letter released Friday morning, calling it "obviously and plainly falsified."
    However, he admitted on Thursday that there had been an attempt to tamper with the poll system, but the hackers had not succeeded.

    Rising tensions

    Extra security forces have been deployed to the streets of Kenya's capital, Nairobi, interior ministry spokesman Mwenda Njoka told CNN. Additional police have also been installed at the airport in the western city of Kisumu as a preventative measure, according to Reuters.
    This week, police and protesters clashed in opposition strongholds in Nairobi and Kisumu, killing two. An opposition poll agent died in a machete attack on Wednesday.
    Brief sporadic opposition protests emerged Wednesday after Odinga's allegations of election tampering.
    Kenyan security forces chase demonstrators in the Mathare area of Nairobi on Wednesday.
    Nairobi remained quieter than usual after the national holiday on Tuesday. Some businesses were open in the city center but mostly people were remaining indoors; other residents who went to their home villages to vote might also have stayed away.
    In Kisumu, a local journalist described the city center as "a ghost town."
    Kisumu's main street "Oginga Odinga street," named for Raila's father who acted as the country's first vice president, was largely deserted on Friday.
    Peaceful elections in East Africa's largest economy would help provide stability to the region.
    Ahead of Friday's announcement, the main stock market in Nairobi was higher -- an outlier among global markets rattled by the North Korea tensions. The Kenyan shilling was holding steady against the dollar.

    EU: No signs of manipulation

    The African Union, which also sent observers to the country, urged Kenyans to maintain calm as they await final results.
    Kenya's incumbent  President Uhuru Kenyatta is seeking a second term.
    Marietje Schaake, head of the European Union's mission, said the group assessed voting procedures and saw "no signs of centralized or localized manipulation."
    Street artist Solomon Muyundo, also known as Solo7, paints a message of peace on the wall in Kibera slum, one of Odinga's strongholds in the capital Nairobi on Wednesday.
    Former US Secretary of State John Kerry, who served as an election observer for the Carter Center, said Thursday that while there were "little aberrations here and there," the election was not rigged.
    He said the electoral commission is verifying electronic online reporting with the physical ballot forms from polling stations.
    Kerry: Kenyan elections have 'great legitimacy'
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    Fears of violence

    Previous accusations of election irregularities in Kenya have sparked violence.
    A decade ago, Odinga claimed the vote was rigged after he was defeated by then-President Mwai Kibaki, sending their loyalists battling each other in major cities after the December 2007 election.
    More than 1,000 people were killed in months of bloody clashes following that vote.
    Odinga said Wednesday that hackers had infiltrated the database of the country's election commission and manipulated the results.
    Odinga's party called for calm to avoid bloodshed as the final results are compiled.
    "We do not want to see any violence in Kenya. We know the consequences of what happened in 2008 and we don't want to see a repeat of that anymore," Odinga told CNN on Thursday.
    "I don't control anybody. What is happening is that people just want to see justice. We also hope that the security forces are not going to use excessive force."