Kenyatta is leading by 53.3%, Odinga 44.8%
The latest allegations by the National Super Alliance (NASA) are likely to further ratchet up tensions.
"Elections should never be a matter of life of death," says Marietje Schaake, head of the European Union observer mission.
"The nation is sitting precariously on the precipice. The dispute over poll results is creating needless anxiety," reports the Daily Nation newspaper....
Unrest broke out after opposition leader Raila Odinga claimed massive fraud as Kenyatta surged ahead in provisional results.
"They were part of a group that was protesting in the area and officers were sent to quell the chaos."
Police engage in running battles with a few hundred protesters in Odinga's bastion Kisumu in western Kenya.
Police fire tear gas as several hundred protesters in the neighbourhood of Kondele set fire to barricades and tyres.
"This is an attack on our democracy. The 2017 general election was a fraud."
"These results are fake, it is a sham. They cannot be credible," Odinga tells a press conference on Wednesday.
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