Nasa leader Raila Odinga left the country for Zanzibar on Sunday evening ahead of the Supreme Court ruling.
This was confirmed by his longtime adviser Salim Lone, in an interview with New York Times.
“The unrest pushed Mr Odinga out of the country. He left Kenya on Sunday night, according to Salim Lone, a longtime adviser to Mr Odinga and his political party. He is now in Zanzibar, off the coast of mainland Tanzania, Mr. Lone said,” reported NYT.
On Monday, the Supreme Court upheld president Uhuru Kenyatta’s victory following the October 26 election.
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In a summary judgment read by Chief Justice David Maraga, the six judges unanimously said the two petitions, filed by former assistant minister Harun Mwau and another by Njonjo Mue and Khelef Khalifa, were not merited.
“The court has unanimously determined that the petitions are not merited,” Justice Maraga said.
“As a consequence, the presidential election of 26th of October is hereby upheld.”
Jubilee supporters held street celebrations in towns across after the verdict.
Mr Kenyatta and his deputy William Ruto will be sworn in on Tuesday November 28.