IEBC has summoned Marsabit governor candidates Ukur Yattani and Mohamud Ali following chaos at a Jubilee rally on Wednesday.
Yattani (Frontier Alliance Party) and Ali (Jubilee) are expected before the Electoral Code of Conduct Enforcement Committee on Friday.
"The commission has conducted a preliminary investigation on what transpired and is seized of a finding that the political clash was between the supporters of [Yattani and Ali]," IEBC chair Wafula Chebukati said in a statement on Thursday.
Two people were shot and injured after President Uhuru Kenyatta's rally on Wednesday.
They were among three people who sustained injuries after the governor candidates' supporters clashed.
The lot, among them an AP officer, were caught up in the fracas at
Moi Girls after Uhuru addressed a rally at Saku.
Police fired teargas canisters to disperse the youth following the chaos blamed on Kenya Police Reservists who were later arrested and disarmed.
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The general election will be held in 11 days.
