The party of one of Kenya's leading presidential candidates has alleged vote-rigging and demanded that the count be halted, bringing further complications to the country's elections. The accusations by Prime Minister Raila Odinga's running mate on Thursday came a day after rival Deputy Prime Minister Uhuru Kenyatta protested against the inclusion of spoiled ballots in the vote count, a process that could increase the chances of a second round runoff. Al Jazeera's Nazanine Moshiri reports from Nairobi.