In this photo provided by Davao City Mayor's Office, leading presidential candidate Mayor Rodrigo Duterte visits the tomb of his late father Gov. Vicente Duterte at San Pedro Memorial Park in Davao city, southern Philippines early Tuesday, May 10, 2016. Soon after it became clear from the election count that Davao City Mayor Duterte will be the next president of the Philippines, he left his home at 3 a.m. Tuesday and went to the cemetery. At the tomb of his parents, he kneeled. And he wept. (Kiwi Bulaclac/Davao City Mayor's Office via AP)
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