Pierre Nkurunziza
At least 439 people have been killed and 200,000 have fled the country since the outburst of violence.
"Do not lose courage ... The tragedies we face will end with a resolution of the conflict in Burundi."
The African nation has been rocked by turmoil since he announced he would run for office again.
The former security of chief was shot in his car.
WHAT'S HAPPENING
Opposition groups boycotted the vote, saying his run was unconstitutional.
