"Today, the Trial Chamber... Set a new date for the commencement of the trial of Mr Uhuru Kenyatta. The trial is now scheduled to commence on November 12," the Hague-based ICC said in a statement. Kenyatta's trial had been set to start on July 9.
Judges postponed the case after agreeing with Kenyatta's lawyers in April that they needed more time to prepare because of delays by the prosecution in disclosing evidence.
The judges however wanted to set the start date for early October but "scheduling conflicts, logistical and other constraints including the availability of courtrooms" prevented them from doing so, the statement said.
The son of Kenya's founding father is the first-ever serving head of state to face trial before the ICC, the world's only permanent independent court to try the worst crimes of genocide, war crimes and crimes against humanity.
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Some 1,100 people died in the bloodshed after allegations of vote rigging, shattering Kenya's image as a beacon of regional stability.
What began as riots quickly turned into ethnic killings and reprisal attacks, plunging Kenya into its worst wave of violence since independence from Britain in 1963.
A fellow accused, Joshua Arap Sang, and Kenya's Deputy President William Ruto are to go on trial on September 10, also facing crimes against humanity charges.
The ICC in January 2012 confirmed the crimes against humanity charges against four senior Kenyans including Kenyatta, Ruto and Sang.