But the system was introduced with one main purpose - to eliminate the possibility of vote-rigging, and give the Kenyan electorate faith in the credibility of the count.

BBC: Kenya 'will announce election winner on Saturday'

The hi-tech system was introduced with one main purpose - to eliminate the possibility of vote-rigging, and give the Kenyan electorate faith in the count - but our correspondent says the failure could end up having the opposite effect.

BBC: Kenya election: Tense wait for Kenyatta and Odinga