Philippine President Rodrigo Duterte speaks during a National Heroes Day commemoration at the Libingan ng mga Bayani (Heroes' Cemetery) in Taguig city, Metro Manila in the Philippines August 29, 2016. REUTERS/Erik De Castro

Philippine President Rodrigo Duterte speaks during a National Heroes Day commemoration at the Libingan ng mga Bayani (Heroes’ Cemetery) in Taguig city, Metro Manila in the Philippines August 29, 2016. REUTERS/Erik De Castro

Philippine President Rodrigo Duterte speaks during a National Heroes Day commemoration at the Libingan ng mga Bayani (Heroes' Cemetery) in Taguig city, Metro Manila in the Philippines August 29, 2016. REUTERS/Erik De Castro

August 31, 2016 2:07 PM (UTC+8)