Kofi Annan, the former United Nations secretary-general, has arrived in Nairobi to try to reinvigorate the international community’s attempts to reconcile the two sides in Kenya’s political crisis.

President Mwai Kibaki and Raila Odinga, leader of the opposition Orange Democratic Movement, have not met since a disputed election on December 27 that has triggered widespread bloodshed and crippled parts of east Africa’s biggest economy.