Voters started queuing before dawn across Kenya on Tuesday, eager to have their say over who will run the country for the next five years.
Delays and logistical problems have been reported in some places, but in general the process appears smooth.
The vote follows an intense campaign dominated by debates about living costs, unemployment and corruption.
The frontrunners are ex-Prime Minister Raila Odinga and Deputy President William Ruto.
The outgoing president Uhuru Kenyatta is backing his former foe Odinga, after a falling out with his own deputy.
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When Ruto voted in the town of Eldoret in the Rift Valley he pledged to accept the election result.
A dispute over election results in 2007 led to weeks of violence leading to the deaths of an estimated 1,200 people and forced about 600,000 people to flee from their homes
On Tuesday, there was some frustration among the early morning voters at a polling station in a primary school in the Westlands area of the capital, Nairobi.
They were blocked from entering the compound of the school for 90 minutes after voting was supposed to start at 06:00 local time (03:00 GMT).
Courtesy(BBC)
( Editor, Omor Bazuaye)