Kenyan elections: a history of violence

President Mwai Kibaki (left) receives the report on the 2007-2008 post-election violence from Justice Phillip Waki  at Harambee House in Nairobi. With him is Prime Minister Raila Odinga (right)

In its 30 years of multi-party rule, Kenya's elections have frequently set off waves of deadly violence and produced contested results, with rival candidates accusing each other of fraud and vote-rigging.

As the East African country prepares for its next presidential and parliamentary election on Tuesday, we take a look at the past crises: