ODM and the Party of National Unity (PNU) have agreed to work together in next year's election.
The agreement was reached during the ODM leader Raila Odinga's three-day visit to Mt Kenya region. The parties are now drafting the document to seal their deal.
ODM team comprised secretary-general Edwin Sifuna, chairman John Mbadi and chair of elections board Junet Mohamed. The PNU was represented by secretary-general John Anunda, chairman David Kamau and the elections board chairman Abdi Sheikh.
Each party picked lawyers to move the process forward and Kamau said they expect to have made significant progress on the matter by the end of the week.
He said PNU wold support Raila's candidacy. "The issue of the presidential candidate to be fronted is not in contention. That we can tell you is going to be Raila Odinga," said Kamau.
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He noted that the parties worked together well during the Grand Coalition government. "This government delivered the 2010 Constitution, an enviable growth rate and the foundation of Vision 2030 economic blue print," added Kamau.