'Results declared by the electoral commission in Nairobi from one constituency differed from those announced locally, he said.
He reported seeing altered voting forms where 'all the changes favoured the same candidate'.
Anomalies amounted to 20,000-25,000 votes in one constituency alone, he continued.
Mr Kibaki's national margin of victory was 230,000 votes.
Elections chief Samuel Kivuitu has admitted some problems, including a reported voter turnout of 115% in one constituency, the Associated Press reports. ' -From the BBC
EU monitors were barred from watching the election-looks rigged, but certainly no denunciation of undemocratic practices from what I've read.