Mr Odinga's running mate, Kalonzo Musyoka, said he had evidence of vote rigging, and also called for the results process to be halted.

BBC: Kenya election: Tense wait for Kenyatta and Odinga

Some survivors described their harrowing escapes by rigging up disguises and sneaking to safety with locals, with at least one survivor running for his life with plastic explosives strapped around his neck.

CNN: STORY HIGHLIGHTS