Officers with sniffer dogs have been seen in and around the court premises.
The coalition’s lawyers, supporters and leaders are meeting at Uhuru Park in the afternoon before making their way to the court.
The IEBC declared Uhuru Kenyatta the duly elected President but Raila Odinga on Wednesday said he would petition the results.
He referred to the election as a sham saying that the current Jubilee administration was ‘computer generated.’
The coalition has until midnight to file their petition.
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