Philippine President Rodrigo Duterte gestures while delivering a speech during the 115th Police Service Anniversary at the Philippine National Police (PNP) headquarters in Quezon city, metro Manila, Philippines August 17, 2016. REUTERS/Noel Celis/Pool/File Photo

Philippine President Rodrigo Duterte gestures while delivering a speech during the 115th Police Service Anniversary at the Philippine National Police (PNP) headquarters in Quezon city, metro Manila, Philippines August 17, 2016. REUTERS/Noel Celis/Pool/File Photo

Philippine President Rodrigo Duterte gestures while delivering a speech during the 115th Police Service Anniversary at the Philippine National Police (PNP) headquarters in Quezon city, metro Manila, Philippines August 17, 2016. REUTERS/Noel Celis/Pool/File Photo

September 1, 2016 12:40 PM (UTC+8)